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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

If y = (x + 1 + x^2 )^n , then (1 + x^2) d^2 y dx^2 + x dy dx is :

Options

  1. An^2 y
  2. B-n^2 y
  3. C-y
  4. D2x^2 y

Correct answer

A. n^2 y

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