Question

Find the square of 48.

• A. 2284
• B. 2304
• C. 2464
• D. 2364

Answer 1

The correct option is B

2304

$\text{To find:}{48}^2$
$\text{We know that,}{48}^2=(50-2{)}^2$

$\text{Using the algebraic identity}$
$(a-b{)}^2=a^2-2ab+b^2$

${48}^2=(50-2{)}^2={50}^2–2\times 50\times 2+2^2=(2500–200+4)=2304$