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標題:
if h + k = 2 and hk = a, express the following in terms of a,?
if h + k = 2 and hk = a, express the following in terms of a, a) h^2 +k^2 b) h^3 +k^3
最佳解答:
a) h^2 + k^2 = (h+k)^2 - 2*hk = 2^2 - 2a = 4-2a b) h^3 + k^3 = (h+k)^3 - 3*hk*(h+k) = 2^3 - 3a*2 = 8-6a
其他解答:
if h + k = 2 and hk = a, express the following in terms of a,?
- expected from a person 點解 -@1@
- 請問邊度有得申請QQ號同買Q幣@1@
- 請大師幫忙 , 我命中有橫財運嗎- 女 1962 . 04 . 20 ( P.M. 17 -20 )@1@
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發問:if h + k = 2 and hk = a, express the following in terms of a, a) h^2 +k^2 b) h^3 +k^3
最佳解答:
a) h^2 + k^2 = (h+k)^2 - 2*hk = 2^2 - 2a = 4-2a b) h^3 + k^3 = (h+k)^3 - 3*hk*(h+k) = 2^3 - 3a*2 = 8-6a
其他解答:
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