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KCET2018MathematicsDifferentiation

If ( y= x+ x+ x+ ), then ( d y d x = )

Options

  1. A( 1 y²-1 )
  2. B( 1 2 y+1 )
  3. C( 2 y y²-1 )
  4. D( 1 2 y-1 )

Correct answer

D. ( 1 2 y-1 )

Step-by-step solution

Given that, ( y= x+ x+ x+ ) ( y= x+y ) ( y²=x+y ) ( 2 y d y d x =1+ d y d x ) ( d y d x = 1 2 y-1 )

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