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प्रश्न
If p = -2, find the value of −3p2 + 4p + 7.
योग
उत्तर
-3p2 + 4p + 7 Putting p = -2 in the given equation
= -3 (-2) × (-2) + 4 × (-2) + 7
= -12 - 8 + 7
= -13
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