✔ 最佳答案
[(-h^3 k²) ^-2] x ( h^6/k^-4 )
=[1 / (-h^3 k²)] ^2 x (h^6 x k^4)
例子:x^-1 = 1/x^1
[(-h^3 k^2) ^-2]..要先解決那-2次方,所以將其變成分數[1 / (-h^3 k^2)]^2
次方就會變成2
( h^6 / k^-4 )的情況也一樣
將k^-4轉成分子,變成(h^6 x k^4)/1
即是=(h^6 x k^4), 次方就會變成4
=[1^2 / (-h^3)^2 (k^2)^2] x (h^6 x k^4)
例子:(x^2) ^2 = x^2x2
= x^4
所以
(-h^3) ^2 = (-h) ^3x2
=(-h)^ 6
=h^6
(k^2)^2 = k ^2x2
=k^4
=[1 / (h^6 k^4)] x (h^6 x k^4)
=(h^6 x k^4) / (h^6 x k^4)
=1 / 1
=1