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Name: Explain solution RD Sharma class 12 Chapter 17 Maxmima and Minima Exercise Case Study Questions question 7 subquestion (ii)
Uploaded: Wed, 2021-08-18 02:56
Description: Explain solution RD Sharma class 12 Chapter 17 Maxmima and Minima Exercise Case Study Questions question 7 subquestion (ii)

#CBSE 12 Class
#Maxima and Minima
#Maths
#School
#R.D. Sharma
#RD Sharma Vol. 1 Class 12

#1.3
#9.12
#Fill in the blanks
#Very Short Answer type
#Multiple Choice Questions (MCQs)
#17.1
#17.2
#17.3
#17.4
#17.5
#Case Study Based Questions (CSBQ)

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Explain solution RD Sharma class 12 Chapter 17 Maxmima and Minima Exercise Case Study Questions question 7 subquestion (ii)

Answers (1)

Answer: $2-\frac{x}{\sqrt{x^{2}-25600}}$

Hint: use basic concepts.

Solution:

We know,

$\mathrm{y}=\mathrm{GA}+\mathrm{GB}+\mathrm{GC}$

Then,

$\begin{aligned} &y=2 x+120-\sqrt{x^{2}-160^{2}} \\ \end{aligned}$

$\frac{d y}{d x}=2-\frac{1}{2 \sqrt{x^{2}-160^{2}}} \\$

$\frac{d y}{d x}=2-\frac{x}{\sqrt{x^{2}-25600}}$

Posted by

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Explain solution RD Sharma class 12 Chapter 17 Maxmima and Minima Exercise Case Study Questions question 7 subquestion (ii)

Answers (1)

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