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Name: Please solve RD Sharma class 12 Chapter Maxima and Minima exercise Multiple choice question, question 31 maths textbook solution.
Uploaded: Thu, 2021-08-19 08:05
Description: Please solve RD Sharma class 12 Chapter Maxima and Minima exercise Multiple choice question, question 31 maths textbook solution.

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

#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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Please solve RD Sharma class 12 Chapter Maxima and Minima exercise Multiple choice question, question 31 maths textbook solution.

Answers (1)

Answer: option(c)1

Hint: For local maxima or minima, we must have $f'(x)=0$ .

Given: $y=x^2-8x+17$

Solution:

We have,

$y=x^2-8x+17$

$\Rightarrow f'(y)=2x-8$

For maxima and minima $f'(x)=0$

$\Rightarrow 2x-8=0$

$\Rightarrow 2x=8$

$\Rightarrow x=4$

$f(4)=4^{2}-8(4)+17=16-32+17=33-32=1>0$

Hence, minimum value f(x) of is 1 at x = 4

Posted by

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Please solve RD Sharma class 12 Chapter Maxima and Minima exercise Multiple choice question, question 31 maths textbook solution.

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