Question

Restrangeti , dupa ce ati scos factorii de sub radical:
√8+√18-√32

Answer 1

$\sqrt{8} + \sqrt{18} - \sqrt{32} =2 \sqrt{2} + 3\sqrt{2}-4 \sqrt{2}=(2+3-4) \sqrt{2}= \sqrt{2}$

Answer 2

√(4•2)+√(9•2)-√(16•2)=
2√2+3√2-4√2=
5√2-4√2=1√2=√2