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Question
If A = `[(4, x),(0, 1)]`, B = `[(2, 12),(0, 1)]` and A = B2, the value of x is ______.
Options
38
– 6
– 36
36
MCQ
Fill in the Blanks
Solution
If A = `[(4, x),(0, 1)]`, B = `[(2, 12),(0, 1)]` and A = B2, the value of x is 36.
Explanation:
Given A = B2
`\implies [(4, x),(0, 1)] = [(2, 12),(0, 1)][(2, 12),(0, 1)]`
= `[(4 + 0, 24 + 12),(0 + 0, 0 + 1)]`
`\implies [(4, x),(0, 1)] = [(4, 36),(0, 1)]`
∴ x = 36
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Types of Matrices
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