997 × 998 = (1000 3)(1000 2) = 1000^2 3×1000 2 × 1000 + ( 3)( 2) = [1000000 5000 +6] = 995006 ...

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Algebraic Identities

997 × 998=

Question

$997 \times 998 =$
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Solution

$997 \times 998 = (1000 - 3) (1000 - 2)$
$= 1000^{2} - 3 \times 1000 - 2 \times 1000 + (- 3) (- 2)$
$= [1000000 - 5000 + 6] = 995006$

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