Top answers


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 the...
JT
Answered by Josh T. • Maths tutor
5576 Views

How can I improve my written skills in Italian?

Firstly, expanding your vocabulary will allow you to be more flexible when writing, however you need to go about learning the vocabulary in an applied way. Make sure you are able to use it in context (this w...
EG
Answered by Esme G. • Italian tutor
2089 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 of answers? ...
TR
Answered by Tom R. • Maths tutor
3554 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 questions ...
DC
Answered by Daniel C. • Maths tutor
6398 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
4557 Views