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प्रश्न
Simplify: (y3 − 5y2) ÷ y × (y − 1)
उत्तर
(y3 − 5y2) ÷ y × (y − 1)
`=("y"^3-5"y"^2)/"y"xx"y"-1`
= (y2 − 5y) × (y − 1)
= y2 (y − 1) − 5y (y − 1)
= y3 − y2 − 5y2 + 5y
= y3 − 6y2 + 5y
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