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 ▸The points A and B have coordinates (3, 4) and (7, 6) respectively. The straight line l passes through A and is perpendicular to AB. Find an equation for l, giving your answer in the form ax + by + c = 0, where a, b and c are integers.
Differentiate with respect to x: i) y=x^3ln(2x) ii) y=(x+sin(2x))^3
How can the y=sin(x) graph be manipulated?
Find dy/dx of y=e^xcosx