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Maths
A Level

Find the derivative of x^x

y = x^x -- Yikes! Doesn't that look ugly. 
It's mostly the x^x part, since ... to the x is fine, and x to the ... is fine.
We must split the two x's in order to continue. 
Perhaps we ...

Answered by Mayur D. Maths tutor
4634 Views

What is a logarithm?

In simple terms a log is asking what power do I need to raise the base to to get that answer.For example log232.In this case the "base" is 2.So what power do you have to raise 2 to, t...

Answered by Janhvi S. Maths tutor
4089 Views

How does finding the gradient of a line and the area under a graph relate to real world problems?

Practical applications of calculus occur more often than you would think. The most common example of them being applied to real world problems is through the relationship between distance and time. The...

Answered by Peter W. Maths tutor
6329 Views

Find the values of x that satisfy the following inequality 3x – 7 > 3 – x

Recall: We treat inequality in a similar manner to the equal sign.

The steps are:

1. Collect like terms

2. Simplify

3x – 7 > 3 ...

Answered by Yusuf S. Maths tutor
14239 Views

How do I find the maxima and minima of a function?

What are the maxima and minima?
The maxima of a function f(x) are all the points on the graph of the function which are 'local maximums'.

A point where x=a is a local max...

Answered by Alex M. Maths tutor
255630 Views

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