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Simplify the expression for square matrices and of the same order and the identity…
MATHEMATICS · Single correct · CBSE · Mathematics · Matrices · Matrices
Problem
Simplify the expression
2
(
A
+
B
)
−
3
B
+
4
I
2(A+B)-3B+4I
2
(
A
+
B
)
−
3
B
+
4
I
for square matrices
A
A
A
and
B
B
B
of the same order and the identity matrix
I
I
I
of that order. (a)
2
A
+
B
+
4
I
2A+B+4I
2
A
+
B
+
4
I
(b)
2
A
−
5
B
+
4
I
2A-5B+4I
2
A
−
5
B
+
4
I
(c)
2
A
−
B
+
4
I
2A-B+4I
2
A
−
B
+
4
I
(d)
2
A
−
2
B
+
4
I
2A-2B+4I
2
A
−
2
B
+
4
I
Related theory
Matrix Operations
Matrices
Addition of matrices
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