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Name: Explain Solution RD Sharma Class 12 Chapter Algebra of Matrices Exercise 4.5 Question 10 Maths.
Uploaded: Fri, 2021-07-16 13:54
Description: Explain Solution RD Sharma Class 12 Chapter Algebra of Matrices Exercise 4.5 Question 10 Maths.

#R.D. Sharma
#Maths
#Algebra of Matrices
#School
#RD Sharma Vol. 1 Class 12
#CBSE 12 Class

#1.3
#4.1
#4.2
#4.3
#4.4
#4.5
#9.12
#Fill in the blanks
#Very Short Answer type
#Multiple Choice Questions (MCQs)

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Explain Solution RD Sharma Class 12 Chapter Algebra of Matrices Exercise 4.5 Question 10 Maths.

Answers (1)

Answer: $5$

Hint: $A$ is symmetric matrix $A = A^{T}$

Given: $A=\begin{bmatrix} 4 & x+2\\ 2x-3& x+1 \end{bmatrix}$

Solution:

$A^{T}=\begin{bmatrix} 4 & 2x-3\\ x+2& x+1 \end{bmatrix}$

$A = A^{T}$

$\begin{bmatrix} 4 & x+2\\ 2x-3 & x+1 \end{bmatrix}= \begin{bmatrix} 4 & 2x-3\\ x+2& x+1 \end{bmatrix}$

$2x - 3 = x + 2$

$x = 5$

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Explain Solution RD Sharma Class 12 Chapter Algebra of Matrices Exercise 4.5 Question 10 Maths.

Answers (1)

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