If A =[{:(0,1,0),(0,0,1),(p,q,r):}], sho...

If A `=[{:(0,1,0),(0,0,1),(p,q,r):}]`, show that ltbargt `A^(3)= pI+qA+rA^(2)`

A

pI

B

qI

C

rI

D

none of these , I is third order unit

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The correct Answer is:

A

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