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Name: Explain solution for RD Sharma maths Class 12 Chapter 5 Determinants Exercise VSQ Question 37 maths textbook solution.
Uploaded: Wed, 2021-08-04 14:09
Description: Explain solution for RD Sharma maths Class 12 Chapter 5 Determinants Exercise VSQ Question 37 maths textbook solution.

#RD Sharma Vol. 1 Class 12
#CBSE 12 Class
#R.D. Sharma
#Maths
#School
#Determinants

#1.3
#5.2
#5.3
#5.4
#5.5
#5.1
#9.12
#Fill in the blanks
#Very Short Answer type
#Multiple Choice Questions (MCQs)

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Explain solution for RD Sharma maths Class 12 Chapter 5 Determinants Exercise VSQ Question 37 maths textbook solution.

Answers (1)

Answer: $x=\pm 2$

Hint: Here we use basic concept of determinant of matrix

Given: $\left|\begin{array}{cc} x & 4 \\ 2 & 2 x \end{array}\right|=0$ find x

Solution :

$\begin{aligned} &\text { Let } \Delta=\left|\begin{array}{cc} x & 4 \\ 2 & 2 x \end{array}\right|=0 \\ &2 x(x)-[4 \times 2]=0 \\ &2 x^{2}-8=0 \\ &2 x^{2}=8 \\ &x^{2}=4 \\ &x=(-2) \text { or } x=2 \end{aligned}$

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Explain solution for RD Sharma maths Class 12 Chapter 5 Determinants Exercise VSQ Question 37 maths textbook solution.

Answers (1)

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