Question

已知a的m次方=3,a的n次方=4求a的3m+2n次方的值

Answer 1

a^(3m+2n)=a^3m×a^2n=(a^m)³× （a^n）²=3³×4²=27×16=432

Answer 2

a^(3m+2n)
=a^(3m)÷a^2n
=(a^m)^3÷(a^n)^2
=27÷16
=27/16