a^m=2,a^n=9 ap=3 求a(^m-2n+3P)大家帮哈忙
问题描述:
a^m=2,a^n=9 ap=3 求a(^m-2n+3P)
大家帮哈忙
答
题目是不是给错了
ap=3还是a^p=3?
而且a(^m-2n+3P)应该是a^(m-2n+3p)
如果题目是a^(m-2n+3p)且a^p=3的话
1楼的等式就是答案了
答
a(^m-2n+3p)
=a^m÷a^2n×a^3p
=a^m÷(a^n)^2×(a^p)^3
=2÷9^2×3^3
=2/3