Aspire's Library
A Place for Latest Exam wise Questions, Videos, Previous Year Papers,
Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
The function $f(x)=2\sin x+\sin 2x,\ x\in[0,2\pi]$ has absolute maximum and minimum at
Solution
$f'(x)=2\cos x+2\cos 2x$$=2(2\cos^2x+\cos x-1)$
Critical points:
$\cos x=\frac{1}{2},-1$
$x=\frac{\pi}{3},\pi,\frac{5\pi}{3}$
Check values → max at $\frac{\pi}{3}$, min at $\frac{5\pi}{3}$
Online Test Series, Information About Examination,
Syllabus, Notification
and More.
View More
Online Test Series, Information About Examination,
Syllabus, Notification
and More.
View More
Ask Your Question or Put Your Review.
