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प्रश्न
Find the value of:
(80 – 20) × (80 + 20)
बेरीज
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उत्तर
(80 – 20) × (80 + 20) = (1 – 1) × (1 + 1) ...[∵ a0 = 1]
= 0 × 2
= 0
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