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AP EAMCET · Maths · Differentiation

If y=tan-1ax-bbx+a, then y'=

  1. A 11+x2+a2a2+b2
  2. B 11+x2
  3. C 11+ax-bbx+a2
  4. D bx+a1+(ax-b)2
Verified Solution

Answer & Solution

Correct Answer

(B) 11+x2

Step-by-step Solution

Detailed explanation

y=tan-1ax-bbx+a dydx=11+ax-bbx+a2×bx+aa-ax-bbbx+a2 dydx=11+ax-bbx+a2×a2+b2bx+a2 dydx=a2+b2b2x2+a2+2abx+a2x2+b2-2abx=a2+b2x2a2+b2+a2+b2 dydx=1x2+1