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How should I structure my history essay?

Structure is key to gaining top marks at A-Level History. First, it is very important that you have a strong, short introduction which sets out your line of argument and the key debate surrounding the questi...
TD
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Work out the value of 2a^2 + b^3 when a = 5 and b = –3

It is best to approach this question in parts, then combine the parts to find your solution. This question may be split into parts, as follows: Firstly, if a = 5, then a 2 = 5 2 = 5 x 5 = 25. So a 2 = 25 Sec...
TD
Answered by Tutor51449 D. Maths tutor
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Integrate x^2sin(x) between -pi and pi

It is possible to solve this question using integration by parts. However, we note that sin(x) is an odd function, meaning that sin(-x) = -sin(x). Thus x 2 sin(x) is also an odd function. This means that the...
HL
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Explain the Rule of Law doctrine.

1) Definition of the Doctrine The Rule of Law (ROL) is one of the three central doctrines of the English constitution, alongside the Separation of Powers and Parliamentary Sovereignty. It was first explained...
AJ
Answered by Arron J. Law tutor
21620 Views

Complete the following nuclear equation p+ -----> n + ... + ...

This is a proton decaying into a neutron and two other subatomic particles. Here you have to consider various conservation laws, including: baryon number, lepton number and charge. (Energy and momentum are a...
RS
Answered by Ryan S. Physics tutor
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