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Name: Please Solve RD Sharma Class 12 Chapter 4 Algebra of Matrices Exercise Very Short Asnwer Question 69 Maths Textbook Solution.
Uploaded: Sat, 2021-07-31 22:30
Description: Please Solve RD Sharma Class 12 Chapter 4 Algebra of Matrices Exercise Very Short Asnwer Question 69 Maths Textbook Solution.

#Algebra of Matrices
#Maths
#R.D. Sharma
#RD Sharma Vol. 1 Class 12
#School
#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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Please Solve RD Sharma Class 12 Chapter 4 Algebra of Matrices Exercise Very Short Asnwer Question 69 Maths Textbook Solution.

Answers (1)

Answer: $a=-2\: and\: b=3$

Hint: Here we use basic of matrix

Given: $A=\begin{bmatrix} 0 & a &-3 \\ 2& 0 &-1 \\ b& 1 & 0 \end{bmatrix}$ is skew symmetric find a and b

Solution:

$A^{T}=-AA=-1[0 \: 2\: b \: a\: 0\: 1 -3 -1\: 0] A=[0 -2 -b -a\: 0 -1\: 3 \: 1\: 0 ]$

$[ 0\: a -3 \: 2 \: 0 -1\: b \: 1 \: 0]= [0 -2 -b -a\: 0 -1 \: 3 \: 1 \: 0]a=-2b=3$

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Please Solve RD Sharma Class 12 Chapter 4 Algebra of Matrices Exercise Very Short Asnwer Question 69 Maths Textbook Solution.

Answers (1)

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