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AP EAMCET · Maths · Differentiation

If ddxx4+x2+1x2+x+1=ax+b, then a-b=

  1. A 3
  2. B 4
  3. C 1
  4. D 2
Verified Solution

Answer & Solution

Correct Answer

(A) 3

Step-by-step Solution

Detailed explanation

ddxx4+x2+1x2+x+1 =ddxx2+x+1x2-x+1x2+x+1 =ddx(x2-x+1)=2x-1 a=2, b=-1 a-b=3