Question

Which one of the following is an irreducible factor of $18x^2{y}^2.$

• A. $x$
• B. $x^2$
• C. $y^2$
• D. $18$

Answer 1

The correct option is A $x$

The given expression $18x^2{y}^2$
can be factorized as,
$18x^2{y}^2$
$=2\times 3\times 3\times x^2{y}^2$
$=2\times 3\times 3\times x\times x\times y\times y$
So, the irreducible factors are 2, 3, x and y.