A

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Q. What will be the result of 1397 x 1397?

  • (A) 1951609
  • (B) 1951608
  • (C) 1951699
  • (D) None of the above
  • Correct Answer - Option(A)
  • Views: 5
  • Filed under category Math
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Explanation by: Admin
Given 1397 x 1397

We can also write it as (1397)^2

Or, (1400 - 3)^2

On expanding we get,

= (1400)^2 (3)^2 - (2 x 1400 x 3)

= 1960000 9 - 8400

= 1960009 - 8400

= 1951609

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