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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
Veinas bọt EPE máy móc
Wendy Ye
Write a database from scratch | Episode 8, Using Indexes and Hexdump of Index Files (+Bonus)
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2 days ago
Write a database from scratch | Episode 8, Using Indexes and Hexdump of Index Files (+Bonus)
![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")
![For the matrix A=[[ 8 -2; -2 5 ]], write A=B B^T as disc…](http://i.ytimg.com/vi/rZVycEQgIuE/mqdefault.jpg "For the matrix A=[[ 8 -2; -2 5 ]], write A=B B^T as disc…")
