So i solved a few of the steps but i'm stuck at this one step and can't move on
Find y if
Note: The product of two numbers or two expressions should be entered as a*b. For the quotient of two numbers use a/b. For the power use a^b.
1. Take the natural logarithm of both sides:
lny = ln (10*x+9)^(10*x+1)
2. Simplify by using properties of logarithms:
Important! In your answer, lna must be entered as log(a).
lny = (10*x+1)*log(10*x+9)
3. Differentiate both sides with respect to x:
yy = (Help please)
4. Solve for y:
y = y( )
5. Substitute the original expression for y to get y in terms of x only:
If someone could help me from 3 onwards i would really appreciate it.