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प्रश्न
If m = 9 and n = − 2, evaluate (2n)3
बेरीज
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उत्तर
(2n)3
= (2 × n) × (2 × n) × (2 × n)
= (2 × (− 2)) × (2 × (− 2)) × (2 × (− 2))
= (− 4) × (− 4) × (− 4)
= − 64
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