Question

化简：3分之2a√9a+6a√4分之a-a的2次方√a分之1

Answer 1

(2a/3)(9a)^0.5+6a(a/4)^0.5-a^2(1/a)^0.5

=(2a)(a^0.5)+(3a)(a^0.5)-a^2(a^0.5)/a

=(5a)(a^0.5)-a(a^0.5)

=(4a)(a^0.5)