Using suitable identity find 97 ×103

asked Jul 16, 2022 141k views

19 votes

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2 votes

Answer:

9,991

Explanation:

$97 * 103 \\ \\ = (100 - 3)(100 + 3) \\ \\ {(100)}^(2) - {(3)}^(2) \\ \\ = 10000 - 9 \\ \\ = 9,991$

Grabner answered Jul 22, 2022

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