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(यदि ० = हो, तो
11th - 12th Class
Maths
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37
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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}