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A Level

How do you differentiate x^x?

To differentiate xx, we first let y = xx. (Note that xx is not in the form xc w...

AP
Answered by Anish P. Maths tutor
3434 Views

How to score highly in grammar when writing an essay in an exam

First and foremost, try to get a good range of grammatical techniques when writing the essay for example subordinating conjunctions or adjectival nouns. Demonstrating your knowledge of these techniques sh...

BC
Answered by Benedict C. German tutor
2181 Views

The straight line with equation y = 3x – 7 does not cross or touch the curve with equation y = 2px^2 – 6px + 4p, where p is a constant. Show that 4p^2 – 20p + 9 < 0.

The main piece of information this question gives us is that the two lines do not cross or touch. From this we can immediately see that we will need to use the discriminant of the quadratic formula b...

MW
Answered by Molly W. Maths tutor
27168 Views

How does the case taken affect the meaning of the same preposition, and how can I spot when I need to alter the case? h

Unfortunately, there are no hard and set rules that govern the meaning but there are certain patterns which would help in cases of unceratinty. There are a set of prepositions in German which can take bot...

DY
Answered by Delyan Y. German tutor
1912 Views

What should I do if reach a standstill in my project

This is nothing to worry about and it happens to the best of us. Whenever I got stuck on where to go next on my projects I found it best to look at the work of artists with a similar style. By analysing t...

CL
Answered by Calum L. Art tutor
2607 Views

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