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Define the derivative of a function f(x) and use this to calculate the derivative of f(x)=x^n for positive integer n.

f'(x)=lim(h->0) of [f(x+h)-f(x)]/h. In the case where f(x)=x^n, we have that f(x+h)-f(x)=h*nx^(n-1) + (h^2)*p(x) for a polynomial p(x), shown by binomially expanding f(x+h). Then dividing through by h and...
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Answered by Tutor302361 D. • Maths tutor
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What do I have to do when I answer an extract question for A Level History?

One crucial thing to remember, which is such a common mistake by students, is to remember it is an EXTRACT. The texts are not "sources", they are extracts from historians writing their take on the ...
Answered by • History tutor
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How does The Tragedy of Antony and Cleopatra represent power struggle in Act 1, Scene 1?

Scene 1.1 of Antony and Cleopatra depicts the struggle for power through both the lovers' relationship and the overarching political narrative of the play. In conflating personal and political life, the text...
Answered by • English tutor
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Give two examples of English words that are derived from the Latin word, 'school' and give their definitions.

School - an institution that teaches something. Scholar - a pupil in a school, somebody who is studying a particular subject.
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Answered by Isobel R. • Latin tutor
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When and how would I use the conditional mood in French?

The conditional mood is used in order to demonstrate that a particular verb/action is only valid upon some condition.E.g. "I would go to the park but it is raining."en français: «j' irais au parc m...
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Answered by Yusuf R. • French tutor
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