Question

Calculati.$( \frac{4}{ \sqrt{12} } - \frac{6}{ \sqrt{27} } + \frac{8}{ \sqrt{32} } ) : \sqrt{2}$

Answer 1

√12=2√3
√27=3√3
√32=4√2
=(4/2√3-6/3√3+8/4√2)·1/√2
=(2/√3-2/√3+2/√2)·1/√·2
=(2/√2)·1/√2=2/2=1