[FOREIGN] - if y = [x+ \sqrt (1+x^2 )]^n then show that (1+x^2) d2y/dx2 + x dy/dx = n^2 y

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Differentiation - [EXEMPLAR] Problems on First Order Derivatives -
NCERT Exemplar Solutions Maths Class 12 - Continuity and Differentiability - [[CHENNAI] - If y = \sqrt (x+1) + \sqrt (x-1) then prove that (x^2 -1) d2y/dx2+ x dy/dx + y/4=0
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