根号a乘根号ab平方=a≥0,b≥0
问题描述:
根号a乘根号ab平方=
a≥0,b≥0
答
√a*√ab^2
=√(a^2b^2)
=ab
根号a乘根号ab平方=
a≥0,b≥0
√a*√ab^2
=√(a^2b^2)
=ab