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प्रश्न
Find the value of the polynomial 2x - 2x3 + 7 using given values for x.
x = -1
उत्तर
p(− 1) = 2 × (− 1) - 2 × (− 1)3 + 7
= − 2 − 2 × (− 1) + 7
= − 2 + 2 + 7
= 7
Thus, the value of polynomial for x = −1 is 7.
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