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Given `A = [(1, 1),(-2, 0)]` and `B = [(2, -1),(1, 1)]` Solve for Matrix X: X + 2a = B - ICSE Class 10 - Mathematics

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Question

Given `A = [(1, 1),(-2, 0)]` and `B = [(2, -1),(1, 1)]`

Solve for matrix X:

X + 2A = B

Solution

`X + 2A = B`

`X = B - 2A`

`X = [(2, -1),(1,1)] - 2[(1, 1),(-2, 0)]`

`X = [(2, -1),(1, 1)] - [(2,2),(-4, 0)]`

`X = [(0, -3),(5, 1)]`

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Solution Given `A = [(1, 1),(-2, 0)]` and `B = [(2, -1),(1, 1)]` Solve for Matrix X: X + 2a = B Concept: Addition and Subtraction of Matrices.
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