Maths唔識抵死題(QUICK!!!!!!!!!!!!!)
2010-10-24 4:37 am
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DO IT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! QUICK
回答 (1)
2010-10-24 4:57 am
✔ 最佳答案
Equate the real part of both sides,a^2 = 1
a = 1 or -1
Equate the imaginary part of both sides,
2(1)b = -4 or 2(-1)b = -4
b = -2 or b = 2
So (a,b) = (1,-2) or (-1,2)
參考: me
收錄日期: 2021-04-23 20:46:08
原文連結 [永久失效]:
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