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सर्वसमिकाओं का प्रयोग कर गुणनफल ज्ञात कीजिए। 111 × 102

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सर्वसमिकाओं का प्रयोग कर गुणनफल ज्ञात कीजिए। 

111 × 102

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111 × 102 = (100 + 11) × (100 + 2)

= (100)2 + (11 + 2) × 100 + 11 × 2

= 10000 + 1300 + 22 = 11322

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