How do you solve #sqrt(5x) = -5# and find any extraneous solutions?
1 Answer
Jan 25, 2017
This equation has no solutions.
Explanation:
-
If
#t >= 0# then#sqrt(t) >= 0# -
If
#t < 0# then#sqrt(t) = i sqrt(-t)# is a pure imaginary number with positive imaginary part.
So
