[(389+99)2 — (389-99)2
]/389x99) is equal to—
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I think the correct question should be like this -
[(389 + 99)² - (389 - 99)²]/(389 × 99) is equal to
[(488)² - (290)²]/(389 × 99)
⇒ (238144 - 84100)/38511
⇒ 154044/38511
= 4
Answer.
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