9分之1的2n+2次方乘以(-3)的2n+2次方等于?
问题描述:
9分之1的2n+2次方乘以(-3)的2n+2次方等于?
答
(1/3)^2n+2
答
1/3的2n次方乘以1/9的平方
9分之1的2n+2次方乘以(-3)的2n+2次方等于?
(1/3)^2n+2
1/3的2n次方乘以1/9的平方