Q14 of 46 Page 1

Using elementary row operations, find the inverse of the following matrix :

As we know


⇒ A=IA


⇒


⇒ (R1=R1-R2)


⇒ (R2=R2-R1)


⇒ (R1=R1-2R2)


⇒


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OR


Prove the following: