1397 x 1397=?
Choose the correct choice from the following choices:	A) 1951609	B) 1981709	C) 18362619	D) 2031719	E) None of them
=(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   1951609nswer is 1951609
<result>A</result>
1397 x 1397=?