Question

i need help

Answer 1

what's the question

Answer 2

\[\cdots = \dfrac{5\sqrt{6}}{\sqrt{5}} = \sqrt{5}\sqrt{6} = \sqrt{30}\]

Answer 3

Because \(\dfrac{15}{3} = \dfrac{5 \cdot 3}{3} = 5\)

Answer 4

\[\dfrac{5}{\sqrt{5}} = \dfrac{5^1}{5^{1/2}} = 5^{1-1/2} = 5^{1/2} = \sqrt{5}\]

Answer 5

What to do with problem from screenshot_2.png?