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प्रश्न
If p(y) = 2y3 − 6y2 − 5y + 7 then find p(2).
उत्तर
p(y) = 2y3 − 6y2 − 5y + 7
p(y) = p(2)
`∴ p(2) = 2 × (2)3 − 6 × (2)2 − 5 × 2 + 7`
= 2 × 8 − 6 × 4 − 10 + 7
= 16 − 24 − 10 + 7
= −11
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