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AP EAMCET · Maths · Definite Integration

If \(\int f(x) d x=F(x)+C\), then \(\frac{d}{d t} \int_{g(t)}^{h(t)} f(x) d x=\)

  1. A \(f(h(t))-f((t))\)
  2. B \(F(h(t))-F(g(t))\)
  3. C \(F(h(t)) h^{\prime}(t)-F(g(t)) g^{\prime}(t)\)
  4. D \(f(h(t)) h^{\prime}(t)-f(g(t)) g^{\prime}(t)\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(f(h(t)) h^{\prime}(t)-f(g(t)) g^{\prime}(t)\)

Step-by-step Solution

Detailed explanation

\(\frac{d}{d t} \int_{g(t)}^{h(t)} f(x) d x=f(h(t)) \cdot h^{\prime}(t)-f\left(g(t) \cdot g^{\prime}(t)\right.\) (by Newton - Leibnitz theorem)