Top answers

Find the binomial expansion of (-8+4x)^(2/3) up to and including the term in x^2.

The formula booklet is useful for this type of question, but only once we've rearranged the expression into the correct form. The formula booklet expression is: (1 + z)^n = 1 + n z + 0.5 n*(n-1) z^2 + .... T...
DM
Answered by David M. • Maths tutor
4716 Views

How do the colleges work at Cambridge / Oxford, and how should I decide which college to apply to?

Both Cambridge and Oxford are made up of a number of distinct colleges. A simple comparison would be to think of the fictional houses of Hogwarts.Functionally, most students live within college accommodation...
DM
2192 Views

Simplify: 2x + 6y + 2y - x

Step 1) Rearrange the equation as follows: (2x - x) + (6y + 2y) this makes it easier to see which values you can add together.Step 2) Solve the calculation in each bracket: x + 8y. Successfully simplifying t...
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Answered by Benjamin L. • Maths tutor
3955 Views

How does the ELAT differ from a normal A' level essay and what are the best ways to prepare?

An ELAT essay is similar to an A' level essay in preparation and different in execution. Unlike an A' level essay, the ELAT allows for a freedom of thought and a flow of ideas. Where in the A' level examiner...
MI
Answered by Molly I. • ELAT tutor
2067 Views

Explain the key purposes of the UN [15]

The United Nations was established through the San Francisco Conference in 1945 with current membership now at 193 states. It is the successor to the failed League of Nations. Its principle aims, spelled out...
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Answered by Nicholas G. • Politics tutor
2926 Views