By using the substitution , show that the equation can be expressed as . Hence, solve the equation giving your answer correct to two decimal places.
Hello, mark1950!
This requires Olympic-level gymnastics . . .
By using the substitution .show that the equation:
can be expressed as .
Hence, solve the equation, giving your answer correct to two decimal places.
We have: .
Divide by
Let .
. . And we have: .
Back-substitute:
. . . no real roots
. . Quadratic Formula: .