Question
begin{tabular}{l}
Let ( x ) be ( sqrt{1+a}+sqrt{1-a} )
( begin{aligned} x^{2} &=(1+a)+(1-a)+2 sqrt{1-a^{2}}
&=2+2 sqrt{1-frac{3}{4}}
&=2+2left|frac{1}{2}right|
&=3 end{aligned} )
( left. )hline( frac{x}{2}=sqrt{3}right] )
end{tabular}

(यदि ० = हो, तो 1+4+/I-a का मान होगा (3) 24/5 (4) 2-3
Solution
