Disclosure: This is homework, but not part of the homework. This is just something that I do not understand.
$$ x = \sqrt{\frac{5}{3}} $$
$$ x = \frac{\sqrt{15}}{3} $$
Could anyone please explain this to me?
Thanks in advance.
Disclosure: This is homework, but not part of the homework. This is just something that I do not understand.
$$ x = \sqrt{\frac{5}{3}} $$
$$ x = \frac{\sqrt{15}}{3} $$
Could anyone please explain this to me?
Thanks in advance.