设M是根号26的整数部分,根号N=3,求MN+19的立方根的值
问题描述:
设M是根号26的整数部分,根号N=3,求MN+19的立方根的值
答
M是根号26的整数部分是5
根号N=3则N=9
(NM+19)^(1/3)
=64^(1/3)
=4