f(x) = x^3 + 3x^2 + 5. Find f'(x) and f''(x).

With differentitaion you multiply the fatcor it's raised by and minus one from the order

e.g. y = x^n so y' = nx^(n-1)

So f'(x) = 3x^2 + 6x and f''(x) = 6x + 6

NS

Related Maths A Level answers

All answers ▸

f(x)= 2x^3 -7x^2 + 2x +3. Given that (x-3) is a factor of f(x), express f(x) in a fully factorised form.


Sine Rule


When using the trapezium rule to approximate area underneath a curve between 2 limits, what is the effect of increasing the number of strips used?


Solve the differential equation: (dy/dx) = 6xy^2