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Why is the derivative of 2^x not x*2^(x-1)?

That technique for calculating derivatives only works for polynomial terms, that is terms of the form x^n, where n is some number. Here though our variable x is in the exponent, and so the term is not polyno...
JG
Answered by Josh G. • Maths tutor
3962 Views

"'Gladstone's attack on Disraeli's foreign policy was the most important reason for the Conservative defeat in the 1880 election.' How far do you agree? [50]" - How would one write an introduction to this essay question?

The introduction of an essay of this nature should aim to answer the question in relatively simplistic terms, in order to provide a basic outline which can be elaborated on throughout the body of the essay. ...
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Answered by Edward G. • History tutor
4526 Views

Change of subject question. Make 'a' the subject of the formula v = u + at.

Rule: An equation must be balanced. Therefore, in order to keep the equation balances, what you do to one side you must do to the other side. Change of subject questions require you to isolate the required l...
SW
Answered by Sherin W. • Maths tutor
25130 Views

Discuss the advantages of judicial precedent. (10 marks)

A sound answer should discuss, at minimum, three of the points mentioned below, supported by a case example where appropriate. Certainty - a judge ultimately has to reach a decision in a case, and lawyers ca...
ER
Answered by Eva R. • Law tutor
14164 Views

What is a purpose clause and how do you construct one in Greek?

A purpose clause is a sentence that expresses purpose - doing something in order that something else might happen. For example, 'he shouted so that the girl would help him', 'I went towards Athens to see the...
JG
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