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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
AS & A Level Computer Science (9618) - Chapter 2: Networking and Communication Systems
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1 month ago
AS & A Level Computer Science (9618) - Chapter 2: Networking and Communication Systems
![Compute the following : [[a^2+b^2, b^2+c^2], [a^2+c^2, a^2+b^2]] + [[2ab, 2bc], [-2ac, -2ab]]](http://i.ytimg.com/vi/UjN-EFj-UnI/mqdefault.jpg "Compute the following : [[a^2+b^2, b^2+c^2], [a^2+c^2, a^2+b^2]] + [[2ab, 2bc], [-2ac, -2ab]]")
![Prove that |[b^2 + c^2, a^2, a^2],[b^2, c^2 + a^2, b^2],[c^2, c^2, a^2 + b^2]| = 4a^2 b^2 c^2](http://i.ytimg.com/vi/IG15iLK0PtI/mqdefault.jpg "Prove that |[b^2 + c^2, a^2, a^2],[b^2, c^2 + a^2, b^2],[c^2, c^2, a^2 + b^2]| = 4a^2 b^2 c^2")
![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")
![Prove that |[a - b - c, 2a, 2a],[2b, b - c - a, 2b],[2c, 2c, c - a - b]| = (a + b +c)^3](http://i.ytimg.com/vi/F6Kll3fQIB0/mqdefault.jpg "Prove that |[a - b - c, 2a, 2a],[2b, b - c - a, 2b],[2c, 2c, c - a - b]| = (a + b +c)^3")
![Evaluate : |[0, ab^2, ac^2],[a^2b, 0, bc^2],[a^2c, cb^2, 0]|](http://i.ytimg.com/vi/pxzRL6C6GLU/mqdefault.jpg "Evaluate : |[0, ab^2, ac^2],[a^2b, 0, bc^2],[a^2c, cb^2, 0]|")
