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Question

1396 x 1396 = ?


Options:
A .  1948816
B .  1948441
C .  1948881
D .  1948988
Answer: Option A

1396 x 1396 = `(1396)^2`

= `(1400 - 4)^2`

=`(1400)^2 + (4)^2` - 2 x 1400 x 4

=1960000 + 16 - 11200

= 1948816



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