d) z = 5 + i\u221a3<\/strong><\/span><\/p>\nL\u1eddi gi\u1ea3i:<\/b><\/p>\n
![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/bai-2-trang-138-sgk-giai-tich-12.png\")
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B\u00e0i 3 (trang 138 SGK Gi\u1ea3i t\u00edch 12):\u00a0Th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh sau:<\/strong><\/span><\/p>\n![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/bai-3-trang-138-sgk-giai-tich-12.png\")
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L\u1eddi gi\u1ea3i<\/strong><\/p>\n![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/bai-3-trang-138-sgk-giai-tich-12-1.png\")
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B\u00e0i 4 (trang 138 SGK Gi\u1ea3i t\u00edch 12):\u00a0Gi\u1ea3i c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh sau:<\/strong><\/span><\/p>\na) (3 – 2i)x + (4 + 5i) = 7 + 3i<\/strong><\/span><\/p>\nb) (1 + 3i)x – (2 + 5i) = (2 + i)x<\/strong><\/span><\/p>\nc) [x\/(4 – 3i)] + (2 – 3i) = 5 – 2i<\/strong><\/span><\/p>\nL\u1eddi gi\u1ea3i:<\/b><\/p>\n
![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/bai-4-trang-138-sgk-giai-tich-12.png\")
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B\u00e0i 1 (trang 138 SGK Gi\u1ea3i t\u00edch 12):\u00a0Th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p chia sau: L\u1eddi gi\u1ea3i B\u00e0i 2 (trang 138 SGK Gi\u1ea3i t\u00edch 12):\u00a0T\u00ecm ngh\u1ecbch \u0111\u1ea3o c\u1ee7a z l\u00e0: a) z = 1 + 2i b) z = \u221a2 – 3i c) z = i d) z = 5 + i\u221a3 L\u1eddi gi\u1ea3i: B\u00e0i 3 (trang […]<\/p>\n","protected":false},"author":3,"featured_media":20973,"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":"\n
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Ch\u01b0\u01a1ng 4 - B\u00e0i 3 : Ph\u00e9p chia s\u1ed1 ph\u1ee9c","og_description":"B\u00e0i 1 (trang 138 SGK Gi\u1ea3i t\u00edch 12):\u00a0Th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p chia sau: L\u1eddi gi\u1ea3i B\u00e0i 2 (trang 138 SGK Gi\u1ea3i t\u00edch 12):\u00a0T\u00ecm ngh\u1ecbch \u0111\u1ea3o c\u1ee7a z l\u00e0: a) z = 1 + 2i b) z = \u221a2 – 3i c) z = i d) z = 5 + i\u221a3 L\u1eddi gi\u1ea3i: B\u00e0i 3 (trang […]","og_url":"https:\/\/lop12.edu.vn\/giai-tich-chuong-4-bai-3-phep-chia-phuc\/","og_site_name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam","article_published_time":"2018-03-13T11:21:05+00:00","article_modified_time":"2018-03-13T11:21:49+00:00","og_image":[{"width":244,"height":81,"url":"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/bai-1-trang-138-sgk-giai-tich-12.png","type":"image\/png"}],"author":"H\u00e0 Trang","twitter_card":"summary_large_image","twitter_misc":{"Written by":"H\u00e0 Trang","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/giai-tich-chuong-4-bai-3-phep-chia-phuc\/","url":"https:\/\/lop12.edu.vn\/giai-tich-chuong-4-bai-3-phep-chia-phuc\/","name":"Gi\u1ea3i t\u00edch - 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