Let d d x F(x) = ( e^ x x ), x>0 . If _ 1 ^ 4 3 x e^ x^ 3 d x=F(k)-F(1) , then one of the…

Mathematics · JEE Main · NTA ExamsIntegral Calculus

Let \(\frac{d}{d x}\{F(x)\}=\left(\frac{e^{\sin x}}{x}\right), x>0 \text {. If } \int_{1}^{4} \frac{3}{x} e^{\sin x^{3}} d x=F(k)-F(1)\), then one of the possible value of k is 
  1. 15
  2. 16
  3. 63
  4. 64

Answer

(C) 63

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