A curve has equation y = 20x −x^2 −2x^3 . Find its stationary point(s).
Differentiate the equation.Let the derivative equal to 0 and get x.Substitute the value of x into the original equation to get y.
RL
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All answers ▸Why is the derivative of a function its gradient?
Given that f(x)= (4/x) - 3x + 2 find i) f'(x) and ii) f''(1/2)
i) It is given that f(x)=(-5-33x)/((1+x)(1+5x)), express f(x) in the form A/(1+x) + B/(1+5x) where A,B are integers. ii) hence express the integral of f(x) between x=3 and x=0 in the form (p/q)ln4 where p,q are integers.
Find the derivative with respect to x, of 5cos(x)+ 4sin(x)