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Maths
A Level

How would you find the minimum turning point of the function y = x^3 + 2x^2 - 4x + 10

The first step in solving the equation is to find the stationary points of the function, these are the points where the gradient is equal to zero. In order to find these points, first differentiate using ...

JT
Answered by Josh T. Maths tutor
4458 Views

How can I try and solve this differentiation, I don`t understand it?

Well how much do you understand about it? Have you got any ideas at the moment?
(Then I would work through the multi-staged question with them)
1) What equation do you use to work out these type...

TR
Answered by Tom R. Maths tutor
2702 Views

Find the indefinite integral ∫(x^2)*(e^x) dx (Edexcel C4 June 2013 Question 1)

This is an example question where you integrate by parts twice. When answering a question like this it is helpful to memorise general integration formula, so you can quickly and confidently tackle questio...

DC
Answered by Daniel C. Maths tutor
4934 Views

Show that the determinant of the 3x3 matrix (2 1 1 / 2 1 7 / 6 3 5) is equal to zero.

To find the determinant of this matrix, we calculate: 2(1x5-3x7)-1(2x5-6x7)-1(2x3-1x6) = 10 - 42 - 10 + 42 -6 + 6 = 0.So the determinant of this 3x3 matrix is equal to zero.

LG
Answered by LAUREN G. Maths tutor
3650 Views

g(x) = ( x / (x+3) ) + ( 3(2x+1) / (x^2 + x - 6) ). Show that this can be simplified to: g(x) = (x+1) / (x-2).

Step 1: The denominator of the right-hand fraction is quadratic, so we can factorise this to (x+3)(x-2). This looks similar to the denominator of the left-hand fraction, suggesti...

AS
Answered by Amar S. Maths tutor
5171 Views

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