Simplify (frac{sqrt{12} – sqrt{3}}{sqrt{12} + sqrt{3}})
-
A.
(frac{1}{3}) -
B.
9 -
C.
16cm -
D.
3
Correct Answer: Option A
Explanation
(frac{sqrt{12} – sqrt{3}}{sqrt{12} + sqrt{3}})
(sqrt{12} = sqrt{4 times 3} = 2sqrt{3})
(therefore frac{sqrt{12} – sqrt{3}}{sqrt{12} + sqrt{3}} = frac{2sqrt{3} – sqrt{3}}{2sqrt{3} + sqrt{3}})
= (frac{sqrt{3}}{3sqrt{3}})
= (frac{1}{3})