Factorise- (y+1/y)²-5(y+1/y) +4 Right answer will get brainliest. Spammers will be reported.
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(y+1/y)2−5(y+1/y)+4
=y5−5y4+6y3−5y2+y/y3
=y4−5y3+6y2−5y+1/y2
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