Question

Solve for $x$: $(502{)}^2$

• A. $2,52,004$
• B. $2,62,104$
• C. $2,22,004$
• D. $2,52,864$

Answer 1

The correct option is A $2,52,004$

$(502{)}^2$
$=(500+2{)}^2$
using, $(a+b{)}^2=a^2+2ab+b^2$
$=(500{)}^2+2(500\left)\right(2)+(2{)}^2$
$=250000+2000+4$
$=252004$