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Question

Find the inverse of the matrices , if it exists.
[2357]

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Solution

Let A=[2357]

We know that A=IA
A=[2357]=[1001]A

[13257]=[12001]A(R112R1)

[132012]=[120521]A(R2R25R1)

[10012]=[73521]A(R1R13R2)

[10012]=[73521]A(R2R2)

[1001]=[7352]A(R22R2)

A1=[7352]

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