1397 x 1397 = ? Options: A . &nbsp1951609 B . &nbsp1981709 C . &nbsp18362619 D . &nbsp2031719 E . &nbspNone of these

Answer: Option A 1397 x 1397 = (1397) 2 = (1400 - 3) 2 = (1400) 2 + (3) 2 - (2 x 1400 x 3) = 1960000 + 9 - 8400 = 1960009 - 8400 = 1951609.

1397 x 1397 = ?

Question

1397 x 1397 = ?

Answer: Option A

1397 x 1397 = (1397)² = (1400 - 3)² = (1400)² + (3)² - (2 x 1400 x 3) = 1960000 + 9 - 8400 = 1960009 - 8400 = 1951609.

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