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प्रश्न
Find the value of the following expression, when x = -1:
-x + 2
बेरीज
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उत्तर
-x + 2 Putting x = -1 in the given equation
= -(-1) + 2
= 1 + 2
= 3
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पाठ 10: Algebraic Expressions - EXERCISE 10.2 [पृष्ठ १६८]
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