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infox10
01 Getting Around in Unix - 02 Navigating the Command Line part 02
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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
![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")
![[Accounting] Benchmarking against other companies enables a company to identify the lowest-cost pro](http://i.ytimg.com/vi/-bv-cKk-7vE/mqdefault.jpg "[Accounting] Benchmarking against other companies enables a company to identify the lowest-cost pro")
