A) \[\sqrt{3}\]
B) \[\frac{\sqrt{3}}{2}\]
C) \[2+\sqrt{3}\]
D) \[2-\sqrt{3}\]
Correct Answer: A
Solution :
(a): Let \[y=\sqrt{1+x}+\sqrt{1-x}\] \[{{y}^{2}}=2+2\sqrt{1-{{x}^{2}}}\] \[=2\left[ 1+\sqrt{1-3/4} \right]=3\] \[\Rightarrow y=\sqrt{3}\]
You need to login to perform this action.
You will be redirected in
3 sec
