Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Need solution for RD Sharma Maths Class 12 Chapter 17 Maxima and Minima Excercise Case Study Based Questions question 3 subquestion (iv)

Need solution for RD Sharma Maths Class 12 Chapter 17 Maxima and Minima Excercise Case Study Based Questions question 3 subquestion (iv)

Answers (1)

Answer:  \mathrm{Rs}\; 400

Hint: use concept of maxima and minima.

Solution:

\begin{aligned} \mathrm{R} &=(500-\mathrm{x})(300+\mathrm{x}) \\ \end{aligned}

\mathrm{R}^{\prime} =-(300+\mathrm{x})+500-\mathrm{x} \\

      =200-2 \mathrm{x} \\

\mathrm{R}^{\prime}=0

200-2 x =0 \\

x =100 . \\

R^{\prime \prime}=-2<0 \text { Maximum. } \\

\text { Rate }=300+100=400 R s

Posted by

infoexpert27

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

Board Exam Time Table 2025 Live: UP Board exams from February 24; CBSE, BSEB date sheet soon
anam-khan

CBSE Date Sheet 2025 Live: Class 10, 12 board exam dates soon; syllabus, sample papers
anam-khan

Extra time in CBSE exams for students with type 1 diabetes: Kerala SHRC seeks report on plea

Latest Question