Question

x^2=1/5, solve

Answer 1

\[x=\pm\sqrt{\frac{1}{5}}\] is a start

Answer 2

would that be true also for lets say 2/5?

Answer 3

yes

Answer 4

and since \(\sqrt 1=1\) you might want to write \[x=\pm\frac{1}{\sqrt5}\]

Answer 5

or even
\[x=\frac{\sqrt5}{5}\]

Answer 6

okay somehow its wrong.... this is the problem they gave me 25x^4-15x^2+2=0

Answer 7

im to solve for it..