
已知a的m次方=2,a的n次方=5,a的p次方=-2,求a的 5m+2n-3p次方的值
1个回答
展开全部
a^(5m+2n-3p)
=a^5m*a^2n÷a^3p
=(a^m)^5*(a^n)^2÷(a^p)^3
=2^5*5^2÷(-2)^3
=-2^5*5^2÷2^3
=-2^(5-3)*5^2
=-2^2*25
=-4*25
=-100
=a^5m*a^2n÷a^3p
=(a^m)^5*(a^n)^2÷(a^p)^3
=2^5*5^2÷(-2)^3
=-2^5*5^2÷2^3
=-2^(5-3)*5^2
=-2^2*25
=-4*25
=-100
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询