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Factorise:2y³+ y²-2y-1

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Factorise:2y³+ y²-2y-1

Posted by Satyam Kumar 5 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 5 years, 9 months ago

{tex}2y ^{3} + y ^{2} - 2y - 1 \\ \\ = y ^{2}(2y + 1) -1 (2y + 1) \\ \\ = (2y + 1)(y ^{2} - 1) \\ \\ = (2y + 1)(y + 1)(y - 1){/tex}

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