Use the identity a-ba-b - a2-b2 to evaluate- 103- 97-

The correct option is B 9991 We know, 103 × 97 = (100 + 3) × (100 3) .Applying the formula (a+b)(a b) = a ^ 2 b ^ 2 , where a = 100 , ...

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Algebraic Identity: (a - b)(a + b) = a^2 - b^2

Use the ident...

Question

Use the identity $(a + b) (a - b) = a^{2} - b^{2}$ to evaluate:
$103 \times 97$ .

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9991

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