($$\sqrt 8$$ - $$\sqrt 4 $$ - $$\sqrt 2 $$) Equals to = ?
A. 2 - $$\sqrt 2 $$
B. $$\sqrt 2 $$ - 2
C. 2
D. -2
Answer: Option B
Solution(By Examveda Team)
$$\eqalign{ & \left( {\sqrt 8 - \sqrt 4 - \sqrt 2 } \right) \cr & = 2\sqrt 2 - 2 - \sqrt 2 \cr & = 2\sqrt 2 - \sqrt 2 - 2 \cr & = \sqrt 2(2 - 1) - 2 \cr & = \sqrt 2 - 2 \cr} $$This Question Belongs to Arithmetic Ability >> Surds And Indices
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√8-√4-√2=?