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Janusz
办美国文凭加拿大文凭澳洲文凭英国文凭学位证毕业证成绩单
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Wendy Ye
Lecture- 01 | C++ for Algorithm | Algorithm | C/C++ free course | Brain Limit Exceeded |
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5 days ago
Lecture- 01 | C++ for Algorithm | Algorithm | C/C++ free course | Brain Limit Exceeded |
![Prove that |[1 +a^2 -b^2, 2ab, -2b],[2ab, 1-a^2 +b^2, 2a],[2b, -2a, 1-a^2 -b^2]| = (1 + a^2 + b^2)^3](http://i.ytimg.com/vi/B7UwIYXEcX8/mqdefault.jpg "Prove that |[1 +a^2 -b^2, 2ab, -2b],[2ab, 1-a^2 +b^2, 2a],[2b, -2a, 1-a^2 -b^2]| = (1 + a^2 + b^2)^3")
![Show without expanding : |[(a - 1)^2, a^2 + 1, a],[(b - 1)^2, b^2 + 1, b],[(c - 1)^2, c^2, c]| = 0](http://i.ytimg.com/vi/F2NjzxVbU60/mqdefault.jpg "Show without expanding : |[(a - 1)^2, a^2 + 1, a],[(b - 1)^2, b^2 + 1, b],[(c - 1)^2, c^2, c]| = 0")