已知x^m=9,x^n=6,x^k=2,求x^m+2n+3k
问题描述:
已知x^m=9,x^n=6,x^k=2,求x^m+2n+3k
答
原式=x^m*x^2n*x^3k
=x^m*(x^n)²*(x^k)³
=9*36*8
=2592