Top answers
Maths
A Level
Find the coordinates of the minimum point of the curve y = 3x^(2) + 9x + 10
(Note: in this answer I will use the notation y' to represent the differential of y, and by the same reasoning y'' denotes the differential of y', or the second derivative of y.)
[FP2] Solve: 3 cosh x - 4 sinh x = 7
First write cosh and sinh as exponentials, from their respective definitions:sinh x = 1/2 (ex - e-x)cosh x = 1/2 (ex + e-x)So: 3 * 1/2 (ex + e
How can we calculate the derivative of function f(x)= (x+2)/(x-1)?
In order to calculate the derivative of the given function, we need to apply the laws of derivation. Therefore:
f '(x) = ((x+2)/(x-1))'
f '(x) = [(x+2)' * (x-1) - (x+2) * (x-1)' ]/ (x-1)2
