Find the coordinates of the turning point of y=e^(2x)*cos(x)?
-
Think about which process we need to determine the turning point? - Differentiation
-
Think about the form of the given function. - Product of two functions, so use Product Rule for Differentiation
-Process the derivative
-
How do we find the turning point from the derivative? Set it equal to zero and solve
-
Solve for the x-coordinate.
-
Don't forget to find the y-cordinate.
AH
Related Maths A Level answers
All answers ▸By using the substitution x = tan(u), find the integral of [1 / (x^2+1) dx] between the limits 1 and 0
Prove that 1/(tanx) + tanx = 1/sinxcosx
Let f(x)=e^x sin(x^2). Find f'(x)
A hollow sphere of radius r is being filled with water. The surface area of a hemisphere is 3pi*r^2. Question: When the water is at height r, and filling at a rate of 4cm^3s^-1, what is dS/dT?