maths-HKALE matrix

👨🏻‍🏫 學術台數學

2011-09-04 4:17 am

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更新1:

我就係不明白點解P and Q are +-(M-2mX/3) 可以再說明少少嗎?

回答 (1)

2011-09-04 5:04 am

✔ 最佳答案

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2011-09-04 10:36:01 補充：
P=M-(2m/3)X is a 2x2 matrix, it has been shown above that
[M - (2m/3)X]^4 = M^4, this means P^4 = M^4
Also (-P)^4 = P^4 = M^4 so Q = -P is also a solution

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