Top answers


Differentiate the function y=(6x-1)^7

Problems of this style are solved using the chain rule. To begin, define the quantity inside the brackets as u u = 6x-1 such that y = u^7 It is now useful to write the chain rule. We can see dy/dx = du/dx x ...
JL
Answered by Jamie L. Maths tutor
5187 Views

Which A-level modules did you take?

C1, C2, C3, C4 M1, M2, M3 S1, S2, S3 FP1, FP2
MW
Answered by Michael W. Maths tutor
5240 Views

Describe the structure of haemoglobin and how it is suited to it's function?

Two alpha subunits and two other subinits that vary depending on th type of haemoglobin, either beta,delta, gamma or epsilon. Each subunit contains on heme group. Heme group contains four pyrol rings and a c...
OF
Answered by Ollie F. Biology tutor
16517 Views

What is completing the square and how do you do it?

Completing the square is just another way of solving a quadratic equation; It is useful if you cannot factorise the equation. When completing the square you want to end up with your equation in the format: (...
AA
Answered by Alexander A. Maths tutor
4400 Views

Find the possible values of x when x^2+8x+15=0

In order to find the value of x we can first factorise the equation. To factorise a quadratic we put it in the form:(x+a)(x+b)=0When multiplying out this general term we get:x^2 + bx + ax + ab = 0This can be...
CB
Answered by Clare B. Maths tutor
4469 Views