factorise
2y³-5y²-19y+42
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Answered by
1
Here by using cubic formula
k[x²-( alpa + beta+ gamma) +(alpa.beta+beta.gamma+ gamma.alpa)-
(alpa×beta×gamma)]
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Answered by
3
Answer:
(y-2)(2y+7)(y+3)
HOPE IT HELPS U..
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