10
10√2
20
20√2
Correct answer is B
\sqrt{50} + \frac{10}}{\sqrt{2}} = \(\frac{\sqrt{50}}{1} + \sqrt{10}{\sqrt{2}}
= √50×2+10√2
= √100+10√2
= \frac{10 + 10}{\sqrt{2} = \frac{20}{\sqrt{2}}
= 20√2 \times \frac{\sqrt{2}}{\sqrt{2}}\)
= 20√22
= 10√2
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