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प्रश्न
If p = -2, find the value of -2p3 - 3p2 + 4p + 7.
बेरीज
उत्तर
-2p3 - 3p2 + 4p + 7
= -2 (-2) × (-2) × (-2) - 3 (-2) × (-2) + 4 × (-2) + 7
= 16 - 12 - 8 + 7
= 3
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