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Let y = x^x. Find dy/dx.

This question is suited to A2 maths students, particularly those who are doing further maths and may be looking for a challenge. In one question it tests the students ability to use implicit differentiati...

JG
Answered by James G. Maths tutor
6594 Views

Factorise 3x^2+15x

Firstly we need to understand what the question is asking us to do. Factorise means we need to take out the Highest Common Factor (HCF) that each term can be divided by.The two terms in this question is 3...

HC
Answered by Hinesh C. Maths tutor
4410 Views

Express as a single logarithm 2 loga 6 loga 3 [2 marks]

loga12
explantion:from simples rules of logs

Answered by Maths tutor
8490 Views

How do you know if a function is odd or even?

For this I would use the whiteboard to draw an even function (i.e cos(x)) and show that if f(x) is even then f(x) = f(-x). I would also show that the function would be symmetrical about the y axis. For an...

Answered by Maths tutor
3786 Views

What is the inverse of a function and how do you find it?

  • A function, f(x), is something that takes various input values of x, and for each one, generates an output value, e.g. if f(x) = x2 then when x=3, f(x) = f(3) = (3)2 = 9, which...
JM
Answered by Jack M. Maths tutor
3629 Views

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