Use the formula - a-b a-b - a2 - b2 to evaluate - 103 - 97

#160; 103 × #160; 97 #160; = (100 + 3) × #160; (100 3) = 100^2 3^2 #160; #160; #160; #160;( ∵ #160; (a + b)(a b) = ...

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Complex Numbers

Use the formu...

Question

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

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