Question

why this comes 40√3. I'm confused

Answer 1

Rationalising the denominator.....

Answer 2

$hello \: mate..... \\ \frac{2}{ \sqrt{3} } \times 60 \\ = \frac{120}{ \sqrt{3} } \\ = \frac{40 \times 3}{ \sqrt{3} } \\ = \frac{40 \times ( \sqrt{3} ) {}^{2} }{ \sqrt{3} } \\ = 40 \times \sqrt{3} \\ \\ hope \: it \: helps \: u \: dear.....$