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Given,y=tan^-1sqrt(x^2-1), if y1 and y2 ...

Given,`y=tan^-1sqrt(x^2-1),` if `y_1` and `y_2` are the first and second derivatives of y, then prove that `x(x^2-1)y_2+(2x^2-1)y_1=0`.

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The correct Answer is:
`or,x(x^2-1)y_2+(2x^2+1)y_1=0`
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