计算:√(3a)/2b*[√(b/a)÷2√(1/b)]
问题描述:
计算:√(3a)/2b*[√(b/a)÷2√(1/b)]
答
√(3a)/2b*[√(b/a)÷2√(1/b)]=√(3a)/2b*[√(b/a)÷√(4/b)]=√(3a)/2b*[√(b/a÷4/b)]=√(3a)/2b*[√(b/a*b/4)]=√(3a)/2b*√[(b²/(4a)]=√(3a)*√[(b²/(4a)]/2b=√[3a*b²/(4a)]/...