Simplify (frac{4sqrt{18}}{sqrt{8}})
-
A.
2 -
B.
3 -
C.
6 -
D.
12
Correct Answer: Option C
Explanation
(frac{4sqrt{18}}{sqrt{8}}\
= frac{4sqrt{9times 2}}{sqrt{4 times 2}} = frac{12sqrt{2}}{2sqrt{2}}=frac{6sqrt{2}}{sqrt{2}}\
Rationalising frac{6sqrt{2}}{sqrt{2}}\
=frac{6sqrt{2}}{sqrt{2}} times frac{sqrt{2}}{sqrt{2}} = 6)