Question

Tính A = √50 -3(√)1/2

Answer 1

\(A=\sqrt{50}-3\sqrt{\dfrac{1}{2}}=2\sqrt{5}-\dfrac{3}{\sqrt{2}}=2\sqrt{5}-\dfrac{3\sqrt{2}}{2}=\dfrac{4\sqrt{5}-3\sqrt{2}}{2}\)

Answer 2

A=√50−3√12=2√5−3√2=2√5−3√22=4√5−3√22