Question 14

What is the simplified value of $$\sqrt{18}-\frac{1}{\sqrt{2}}$$=?

Solution

Expression : $$\sqrt{18}-\frac{1}{\sqrt{2}}$$

= $$3\sqrt2-\frac{1}{\sqrt2}$$

= $$\frac{6-1}{\sqrt2}=\frac{5}{\sqrt2}$$

=> Ans - (A)

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