यदि $\int e^x(\sin^2 2x - 8 \cos 4x) dx = e^x f(x) + c$ है, तो $f(\frac{\pi}{4}) = $

  • A
    $0$
  • B
    $1$
  • C
    $-1$
  • D
    $e$

Explore More

Similar Questions

$\int \log x \cdot [\log (ex)]^{-2} dx = . . . . . .$

$\int_1^{e} \frac{e^x}{x}(1+x \log x) d x=$

$\int e^{\tan ^{-1} x}\left(1+\frac{x}{1+x^{2}}\right) dx$ का मान ज्ञात कीजिए।

निश्चित समाकलन $\int_{1}^{2}\left(\frac{1}{x}-\frac{1}{2 x^{2}}\right) e^{2 x} d x$ का मान ज्ञात कीजिए।

$\int \frac{(x-1) e^{x}}{(x+1)^{3}} d x$ का मान ज्ञात कीजिए।

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo