Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Let A and £ are square matrices of order 2 such that A + adj (B T ) = 
and A T - adj
A
4A
B
= 
then A 2 + 2 A 3 + 3A 4 + 5A 5 is equal to (where M T and adj(M) represent the transpose matrix and adjoint matrix of matrix M respectively and I represents the identity matrix of order 2) 7A
then A 2 + 2 A 3 + 3A 4 + 5A 5 is equal to (where M T and adj(M) represent the transpose matrix and adjoint matrix of matrix M respectively and I represents the identity matrix of order 2) 7A
C
11A
D
10I
Text Solution
Verified by ExpertsThe correct answer is:
C
11A
Let, 
A 3 = A 4 = A 5 = A
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