factorise 2 y cube + y square - 2 Y - 1
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Answered by
8
Answer:
(y +1 )(2y +1 )(y -1)
Step-by-step explanation:
Given that,
2y³ + y² - 2y - 1
= 2y³ + 2y² -y² - y - y -1
= 2y²(y + 1) -y(y + 1) - 1(y + 1)
= (y +1 )(2y² - y - 1)
= (y + 1){2y² - 2y + y - 1}
= (y + 1){2y(y -1 ) + 1(y - 1)}
=(y +1 )(2y +1 )(y -1)
bhavikachopra50:
pls mark as brainliest answer
Answered by
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Answer:
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