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प्रश्न
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
103 x 97
योग
उत्तर
103 x 97 = (100+3) (100−3)
= (100)2 − (3)2
= 10000 − 9
= 9991
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Product of Sum and Difference of Two Terms
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