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{"id":20952,"date":"2018-03-13T18:10:28","date_gmt":"2018-03-13T11:10:28","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=20952"},"modified":"2018-03-13T22:08:04","modified_gmt":"2018-03-13T15:08:04","slug":"giai-tich-chuong-4-phuc-tap-bai-tap-trac-nghiem","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/giai-tich-chuong-4-phuc-tap-bai-tap-trac-nghiem\/","title":{"rendered":"Gi\u1ea3i t\u00edch – Ch\u01b0\u01a1ng 4: S\u1ed1 ph\u1ee9c – \u00d4n t\u1eadp – B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m"},"content":{"rendered":"

B\u00e0i 1 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0S\u1ed1 n\u00e0o trong c\u00e1c s\u1ed1 sau l\u00e0 s\u1ed1 th\u1ef1c?<\/strong><\/span><\/p>\n

\"\"<\/p>\n

L\u1eddi gi\u1ea3i<\/strong><\/p>\n

Ch\u1ecdn \u0111\u00e1p \u00e1n B<\/p>\n

\"\"<\/p>\n

B\u00e0i 2 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0S\u1ed1 n\u00e0o trong c\u00e1c s\u1ed1 sau l\u00e0 s\u1ed1 \u1ea3o?<\/strong><\/span><\/p>\n

\"\"<\/p>\n

L\u1eddi gi\u1ea3i<\/strong><\/p>\n

Ch\u1ecdn \u0111\u00e1p \u00e1n C<\/p>\n

\"\"<\/p>\n

B\u00e0i 3 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0\u0110\u1eb3ng th\u1ee9c n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u1eb3ng th\u1ee9c \u0111\u00fang?<\/strong><\/span><\/p>\n

(A). i1977<\/sup>=-1<\/strong><\/span><\/p>\n

(B). i2345<\/sup>=i<\/strong><\/span><\/p>\n

(C). i2005<\/sup>=1<\/strong><\/span><\/p>\n

(D). i2006<\/sup>=-i<\/strong><\/span><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

Ch\u1ecdn \u0111\u00e1p \u00e1n B.<\/p>\n

Ta c\u00f3: i(4k+r)<\/sup>=ir<\/sup>\u00a0(v\u1edbi k, r \u2208 N)<\/p>\n

2345=4k+1=>i2345<\/sup>=i<\/p>\n

B\u00e0i 4 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0\u0110\u1eb3ng th\u1ee9c n\u00e0o trong c\u00e1c \u0111\u1eb3ng th\u1ee9c sau l\u00e0 \u0111\u00fang?<\/strong><\/span><\/p>\n

(A). (1-i)8<\/sup>=-16<\/strong><\/span><\/p>\n

(B). (1+i)8<\/sup>=16i<\/strong><\/span><\/p>\n

(C). (1+i)8<\/sup>=16<\/strong><\/span><\/p>\n

(D). (1+i)8<\/sup>=-16i<\/strong><\/span><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

Ch\u1ecdn \u0111\u00e1p \u00e1n B.<\/p>\n

Ta c\u00f3: (1+i)8<\/sup>=[(1+i)2<\/sup>\u00a0]4<\/sup>=(2i)4<\/sup>=24<\/sup>\u00a0i4<\/sup>=24<\/sup>=16<\/p>\n

B\u00e0i 5 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0Bi\u1ebft ngh\u1ecbch \u0111\u1ea3o c\u1ee7a s\u1ed1 ph\u1ee9c z b\u1eb1ng s\u1ed1 ph\u1ee9c li\u00ean h\u1ee3p c\u1ee7a n\u00f3, trong c\u00e1c k\u1ebft lu\u1eadn sau, k\u1ebft lu\u1eadn n\u00e0o l\u00e0 \u0111\u00fang?<\/strong><\/span><\/p>\n

(A). z \u2208 R<\/strong><\/span><\/p>\n

(B). |z| = 1<\/strong><\/span><\/p>\n

(C). z l\u00e0 s\u1ed1 thu\u1ea7n \u1ea3o<\/strong><\/span><\/p>\n

(D). |z| = -1<\/strong><\/span><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

\"\"<\/p>\n

B\u00e0i 6 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0Trong c\u00e1c k\u1ebft lu\u1eadn sau, k\u1ebft lu\u1eadn n\u00e0o l\u00e0 sai?<\/strong><\/span><\/p>\n

A. M\u00f4 \u0111un c\u1ee7a s\u1ed1 ph\u1ee9c z l\u00e0 m\u1ed9t s\u1ed1 th\u1ef1c<\/strong><\/span><\/p>\n

B. M\u00f4 \u0111un c\u1ee7a s\u1ed1 ph\u1ee9c z l\u00e0 m\u1ed9t s\u1ed1 ph\u1ee9c<\/strong><\/span><\/p>\n

C. M\u00f4 \u0111un c\u1ee7a s\u1ed1 ph\u1ee9c z l\u00e0 m\u1ed9t s\u1ed1 th\u1ef1c d\u01b0\u01a1ng<\/strong><\/span><\/p>\n

D. M\u00f4 \u0111un c\u1ee7a s\u1ed1 ph\u1ee9c z l\u00e0 m\u1ed9t s\u1ed1 th\u1ef1c kh\u00f4ng \u00e2m.<\/strong><\/span><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

Ch\u1ecdn \u0111\u00e1p \u00e1n C.<\/p>\n

Gi\u1ea3 s\u1eed cho s\u1ed1 ph\u1ee9c z = a + bi, m\u00f4 \u0111un c\u1ee7a z l\u00e0 |z|=\u221a(a2<\/sup>+b2<\/sup>)\u22650<\/p>\n

S\u1ed1 0 l\u00e0 s\u1ed1 ph\u1ee9c c\u00f3 m\u00f4 \u0111un b\u1eb1ng 0.|0+0i|=0<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

B\u00e0i 1 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0S\u1ed1 n\u00e0o trong c\u00e1c s\u1ed1 sau l\u00e0 s\u1ed1 th\u1ef1c? L\u1eddi gi\u1ea3i Ch\u1ecdn \u0111\u00e1p \u00e1n B B\u00e0i 2 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0S\u1ed1 n\u00e0o trong c\u00e1c s\u1ed1 sau l\u00e0 s\u1ed1 \u1ea3o? L\u1eddi gi\u1ea3i Ch\u1ecdn \u0111\u00e1p \u00e1n C B\u00e0i 3 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0\u0110\u1eb3ng th\u1ee9c n\u00e0o sau […]<\/p>\n","protected":false},"author":3,"featured_media":20953,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1298],"tags":[1377,1356,1355],"yoast_head":"\nGi\u1ea3i t\u00edch - Ch\u01b0\u01a1ng 4: S\u1ed1 ph\u1ee9c - \u00d4n t\u1eadp - B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/giai-tich-chuong-4-phuc-tap-bai-tap-trac-nghiem\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gi\u1ea3i t\u00edch - Ch\u01b0\u01a1ng 4: S\u1ed1 ph\u1ee9c - \u00d4n t\u1eadp - B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0S\u1ed1 n\u00e0o trong c\u00e1c s\u1ed1 sau l\u00e0 s\u1ed1 th\u1ef1c? L\u1eddi gi\u1ea3i Ch\u1ecdn \u0111\u00e1p \u00e1n B B\u00e0i 2 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0S\u1ed1 n\u00e0o trong c\u00e1c s\u1ed1 sau l\u00e0 s\u1ed1 \u1ea3o? L\u1eddi gi\u1ea3i Ch\u1ecdn \u0111\u00e1p \u00e1n C B\u00e0i 3 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0\u0110\u1eb3ng th\u1ee9c n\u00e0o sau […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/giai-tich-chuong-4-phuc-tap-bai-tap-trac-nghiem\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2018-03-13T11:10:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-03-13T15:08:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/bai-1-trang-144-sgk-giai-tich-12.png\" \/>\n\t<meta property=\"og:image:width\" content=\"205\" \/>\n\t<meta property=\"og:image:height\" content=\"154\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"H\u00e0 Trang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"H\u00e0 Trang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/giai-tich-chuong-4-phuc-tap-bai-tap-trac-nghiem\/\",\"url\":\"https:\/\/lop12.edu.vn\/giai-tich-chuong-4-phuc-tap-bai-tap-trac-nghiem\/\",\"name\":\"Gi\u1ea3i t\u00edch - Ch\u01b0\u01a1ng 4: S\u1ed1 ph\u1ee9c - \u00d4n t\u1eadp - B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2018-03-13T11:10:28+00:00\",\"dateModified\":\"2018-03-13T15:08:04+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/giai-tich-chuong-4-phuc-tap-bai-tap-trac-nghiem\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/giai-tich-chuong-4-phuc-tap-bai-tap-trac-nghiem\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/giai-tich-chuong-4-phuc-tap-bai-tap-trac-nghiem\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Gi\u1ea3i t\u00edch – Ch\u01b0\u01a1ng 4: S\u1ed1 ph\u1ee9c – \u00d4n t\u1eadp – B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lop12.edu.vn\/#website\",\"url\":\"https:\/\/lop12.edu.vn\/\",\"name\":\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/lop12.edu.vn\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\",\"name\":\"H\u00e0 Trang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"caption\":\"H\u00e0 Trang\"},\"url\":\"https:\/\/lop12.edu.vn\/author\/trangvth2\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Gi\u1ea3i t\u00edch - Ch\u01b0\u01a1ng 4: S\u1ed1 ph\u1ee9c - \u00d4n t\u1eadp - B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lop12.edu.vn\/giai-tich-chuong-4-phuc-tap-bai-tap-trac-nghiem\/","og_locale":"en_US","og_type":"article","og_title":"Gi\u1ea3i t\u00edch - Ch\u01b0\u01a1ng 4: S\u1ed1 ph\u1ee9c - \u00d4n t\u1eadp - B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m","og_description":"B\u00e0i 1 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0S\u1ed1 n\u00e0o trong c\u00e1c s\u1ed1 sau l\u00e0 s\u1ed1 th\u1ef1c? L\u1eddi gi\u1ea3i Ch\u1ecdn \u0111\u00e1p \u00e1n B B\u00e0i 2 (trang 144 SGK Gi\u1ea3i t\u00edch 12):\u00a0S\u1ed1 n\u00e0o trong c\u00e1c s\u1ed1 sau l\u00e0 s\u1ed1 \u1ea3o? 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