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Question
A, B and C are three matrices each of order 5; the order of matrix CA + B2 is ______.
Options
5 × 4
5 × 5
4 × 5
5 × 3
MCQ
Fill in the Blanks
Solution
A, B and C are three matrices each of order 5; the order of matrix CA + B2 is 5 × 5.
Explanation:
Since A, B and C are square matrices of order 5 × 5
∴ CA is a matrix of 5 × 5 and B2 is a matrix of order 5 × 5
∴ CA + B2 is a matrix of order 5 × 5
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