Differentiaate the folowing equation with respect to x: y=4x^3-3x^2+9x+2

12x^2-6x+9

FE

Related Maths A Level answers

All answers ▸

Show that the derivative of tan(x) is sec^2(x), where sec(x) is defined as 1/cos(x). [Hint: think of tan(x) as a quotient of two related functions and apply the appropriate identity]


How do i use the chain rule twice when differentiating?


The first term of an infinite geometric series is 48. The ratio of the series is 0.6. (a) Find the third term of the series. (b) Find the sum to infinity. (c) The nth term of the series is u_n. Find the value of the sum from n=4 to infinity of u_n.


Given that y=π/6 at x=0 solve the differential equation,dy/dx=(e^x)cosec2ycosecy