2根号a^2b^3(a>0,b>0)
问题描述:
2根号a^2b^3(a>0,b>0)
答
a>0,b>0
所以原式=2(ab)²*√b
=2|ab|√b
=2ab√b
2根号a^2b^3(a>0,b>0)
a>0,b>0
所以原式=2(ab)²*√b
=2|ab|√b
=2ab√b