根号下b^3/a再根号下a^2/b^6
=√[(b³/a)(a/b³)]
=√1
=1
根号下a^1/2再根号下a^1/2再根号下a
=√[a^1/2*√(a^1/2*a^1/2)]
=√[a^1/2*√a]
=√(a^1/2*a^1/2)
=√a
求高一数学必修一59页习题2.1A组第2题的(1)(2)小题
根号下b^3/a再根号下a^2/b^6
=√[(b³/a)(a/b³)]
=√1
=1
根号下a^1/2再根号下a^1/2再根号下a
=√[a^1/2*√(a^1/2*a^1/2)]
=√[a^1/2*√a]
=√(a^1/2*a^1/2)
=√a