57 Simplify sa ti + va-x, Find the ...
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57 Simplify sa ti + va-x, Find the ualue vatn - Va-x where 2 ab 1+62

11th - 12th Class
Maths
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89
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( frac{sqrt{a+x}+sqrt{a-x}}{sqrt{a+2}-sqrt{a-x}} quad a=frac{2 a b}{1+b^{2}} ) ( frac{sqrt{a+x}+sqrt{a-x}}{sqrt{a+x}-sqrt{a-x}} frac{x sqrt{a+x}+sqrt{a+x}}{sqrt{a+x}+sqrt{a-x}} ) ( frac{(sqrt{a+x}+sqrt{a-x})^{2}}{a+x-b+x}=frac{(a+x)+a-x+2 sqrt{a^{2}-x^{2}}}{2 x} ) ( frac{x(a+sqrt{a^{2}-x^{2}})}{2 x}=frac{a+sqrt{a^{2}-frac{4 a^{2} b^{2}}{left(1+b^{2}right)^{2}}}}{frac{aleft(1+b^{2}right)+sqrt{a^{2}left(1+b^{2}right)^{2}-4 a^{2} b^{2}}}{2 a b}} ) ( frac{2 a}{2 a b}=frac{1}{b} )
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