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AP EAMCET · Maths · Limits

If limx11x3-3x+413x3-5x2-7=ab then the value of a+b equals

  1. A 11
  2. B 13
  3. C 8
  4. D 24
Verified Solution

Answer & Solution

Correct Answer

(D) 24

Step-by-step Solution

Detailed explanation

limx→∞11x3-3x+413x3-5x2-7 limx→∞x311-3x2+4x3x313-5x-7x3 limx→∞11-3x2+4x313-5x-7x3 x→∞⇒1x→0 ⇒11-0+013-0-0=1113 a=11,b=13 a+b=24.