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प्रश्न
Find the value of the polynomial 2x − 2x3 + 7 using given values for x.
x = 3
उत्तर
p(x) = 2x − 2x3 + 7
p(3) = 2 × 3 − 2 × (3)3 +7
= 6 − 2 × 27 + 7
= 6 − 54 + 7
= − 41
Thus, the value of polynomial for x = 3 is −41.
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