387 x 387 + 114 x 114 + 2 x 387 x 114 = ?
Pick one
A) 250001 B) 251001 C) 260101 D) 261001 E) None of these
Answer   Given expression = a2+b2+2ab = (a+b)2   where a = 387 and b = 114   = (387 + 114 )2   = (501)2   =(500 +1 )2   =(500)2 + (1)2+ 2 x 500 x 1   = 250000 + 1 +1000= 
<gadget id="calculator">250000 + 1 +1000</gadget>
<output>251_001</output>
251001.   Option: 251001
<result>B</result>
387 x 387 + 114 x 114 + 2 x 387 x 114 = ?