Question

Which expression is equivalent to 3 square root2y3×7 square root18y, if y> 0?​

Answer 1

Answer:

D

Step-by-step explanation:

We have

$3 \sqrt{2y {}^{3} } \times (7 \sqrt{18y} )$

Simplify

sqr root of 18

$3 \sqrt{2y {}^{3} } \times 7(3) \sqrt{2y}$

$63 \sqrt{4 {y}^{4} }$

$126 {y}^{2}$