Ex 5.7, 8 - Find second order derivatives of tan-1 x - Ex 5.7

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  1. Chapter 5 Class 12 Continuity and Differentiability
  2. Serial order wise
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Ex 5.7, 8 Find the second order derivatives of the function 1 Let y = 1 Differentiating . . . . = ( 1 ) = 1 1+ 2 Again Differentiating . . . = 1 1+ 2 2 2 = 1 1+ 2 2 2 = (1) 1+ 2 1 + 2 . 1 1+ 2 2 2 2 = 0 . 1+ 2 (1) + ( 2 ) . 1 1+ 2 2 2 2 = 0 0 + 2 1 1+ 2 2 = +

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