1397 x 1397 = ?  Choose the correct option: A) 1951607 B) 1951609 C) 1951610 D) 1951611 E) 1951613
1397 x 1397	= (1397)2   = (1400 - 3)2   = (1400)2 + (3)2 - (2 x 1400 x 3)   = 1960000 + 9 - 8400   = 1960009 - 8400= 
<gadget id="calculator">1960009 - 8400</gadget>
<output>1_951_609</output>
1951609.   1951609)
<result>B</result>
1397 x 1397 = ?