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MHT CET202016 Oct 2020Morning ShiftMathematicsDifferentiationActual

If f(x)= ( x+ x) , then f^ ( 4 )=

Options

  1. A1
  2. B2 3
  3. C1 2
  4. D2

Correct answer

D. 2

Step-by-step solution

(B) y= ( x+ x) Differentially w.r.t. x array l dy dx = 1 x + x ( x x + ² x )= x ( x + x ) ( x + x ) dy dx = x f ^ ( x )= x f ^ ( 4 )= 4 = 2 array

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