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Name: Need solution for RD Sharma maths Class 12 Chapter 21 Differential Equation Exercise Multiple choice Question Question 50 textbook solution.
Uploaded: Fri, 2021-08-27 20:49
Description: Need solution for RD Sharma maths Class 12 Chapter 21 Differential Equation Exercise Multiple choice Question Question 50 textbook solution.

#RD Sharma Vol. 2 Class 12
#CBSE 12 Class
#School
#R.D. Sharma
#Differential Equations
#Maths

#1.3
#10.1
#Fill in the blanks
#Multiple Choice Questions (MCQs)
#21.1
#21.2
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#Case Study Based Questions (CSBQ)
#Revision Exercise (RE)

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Need solution for RD Sharma maths Class 12 Chapter 21 Differential Equation Exercise Multiple choice Question Question 50 textbook solution.

Answers (1)

Answer : $(c)\; \frac{1}{x}$

Hint : The equation is linear in y

Given : $x \frac{d y}{d x}-y=2 x^{2}$

Explanation : Divide on both sides by x

$\begin{aligned} &\Rightarrow \frac{d y}{d x}-\frac{y}{x}=2 x \\ \\&I F=e^{\int-\frac{1}{x} d x} \\ &\qquad \begin{array}{l} \\=e^{-\log x} \\ \\=e^{\log \frac{1}{x}} \\ \\=\frac{1}{x} \end{array} \end{aligned}$

Posted by

infoexpert23

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Need solution for RD Sharma maths Class 12 Chapter 21 Differential Equation Exercise Multiple choice Question Question 50 textbook solution.

Answers (1)

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