વિધેય $y = \tan^{-1} x$ માટે,$(1 + x^2) y_2$ ની કિંમત . . . . . . છે.

  • A
    $-2 x y_1$
  • B
    $2 x y_1$
  • C
    $x y_1$
  • D
    $-x y_1$

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જો $x^2y + y^3 = 2$ હોય,તો બિંદુ $(1, 1)$ આગળ $\frac{d^2y}{dx^2}$ ની કિંમત શોધો:

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