Given, √2=1.414. Then, the value of√8+2√32−3√128+4√50 is
8.426
8.484
8.526
8.7865
Given exp. =√4×2+2√16×2−3√64×2+4√25×2=2√2+8√2−24√2+20√2=6√2=6×1.414=8.484.