To find the inverse of any arbitrary matrix like



To find the inverse of any arbitrary matrix like

[pic]

[pic]Step-01:

Evaluate the determinant of the matrix by cross multiplying the entries in the following way STRICTLY

Determinant of A=[pic]

STEP-02:

See if [pic], then no further proceedings & we conclude that inverse cant be found

But if [pic], then it can found & proceed for next

Step-03:

Find the adjoint of ‘A’ as

[pic]

Finally

Step-04:

Inverse of A = [pic].

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