when you write:
(sqrt5/15)
Which do you mean:
sqrt(5/15) or (sqrt(5))/15
Solve:25x^4-20x^2+3=0 =(sqrt5/5),-(sqrt5/5),(sqrt15/5),(-sqrt15/5).
Can you tell me which one is correct.This is a second post to the first one.
1 answer
3 answers