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प्रश्न
Find the value of the following expression, when x = -1:
x2 + 2x + 1
योग
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उत्तर
x2 + 2x + 1
= (-1) × (-1) + 2 × (-1) + 1
= 1 - 2 + 1
= 0
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अध्याय 10: Algebraic Expressions - EXERCISE 10.2 [पृष्ठ १६८]
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