[(-a²b^n）³×（a^n-1×b²）³]^5

题目

[(-a²b^n）³×（a^n-1×b²）³]^5

答案

[(-a²b^n）³×（a^n-1×b²）³]^5
=[(-a^6b^3n×a^(3n-3)b^6]^5
=[(-a^(3n+3)b^(3n+6)]^5
=-a^(15n+15)b^(15n+30)