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IF y=(x+sqrt(1+x^2))^n, Prove that, (1+x...

IF `y=(x+sqrt(1+x^2))^n`, Prove that, `(1+x^2)y_2+xy_1=n^2y`. Hence, find the value of `(y_2)_0`.

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The correct Answer is:
`n^2`
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