Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Explain Solution for RD Sharma Maths Class 12 Chapter 17 Maxima and Minima Exercise Fill in the blanks Question 11 maths textbook solution

Explain Solution for RD Sharma Maths Class 12 Chapter 17 Maxima and Minima Exercise Fill in the blanks Question 10 maths textbook solution

Answers (1)

Answer:

              2

Hint:

For maxima or minima we must have {f}'\left ( x \right )=0

Given:

f(x)=a \sin x+\frac{1}{3} \sin 3 x

Solution:

\begin{aligned} &f(x)=a \sin x+\frac{1}{3} \sin 3 x \\ &f^{\prime}(x)=a \cos x+\cos 3 x \\ &f^{\prime}\left(\frac{\pi}{3}\right)=0 \text { (At extremum) } f^{\prime}(x)=0 \\ &a\left(\frac{1}{2}\right)-1=0 \\ &a=2 \end{aligned}

Posted by

Infoexpert

View full answer

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads

Similar Questions

Trending Articles/News

anam-khan

Iran-Israel War: CBSE cancels Class 12 board exams in 7 Middle East countries; result formula to be announced
anam-khan

CBSE 2026 Paper LIVE: Class 12 Hindi exam over; question paper analysis, answer key soon
anam-khan

CBSE Class 12 English Paper Analysis: Questions easy, ‘student-friendly’; can 'score above 90%'

Latest Question