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If A = ((3,-1),(1,2)), B = ((3),(1)), C ...

If A = `((3,-1),(1,2)), B = ((3),(1)), C = ((1),(-2))` find the matric X such that AX = 3B + 2C.

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The correct Answer is:
adj.(adj.A) = `[(a,b),(c,d)] = A` (ii).=`(A/k)/(1/k) = A `
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