Question

The value of $(998{)}^2$ is equal to:

• A. 9,96,016
• B. 9,86,004
• C. 9,96,004
• D. 9,93,004

Answer 1

The correct option is C

9,96,004

Using the identity, $(a-b{)}^2=a^2-2ab+b^2$, we have,
$(998{)}^2=(1000-2{)}^2$
$=(1000{)}^2-2\times 1000\times 2+2^2$
= 9,96,004