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How do I work out (2+y)^4 using the binomial expansion?

We're going to use the binomial expansion formula, which is a lot easier to remember than it looks: (a+b) n =C 0 *a n *b 0 + C 1 *a (n-1) *b 1 + C 2 *a (n-2) *b 2 +....+ C n *a 0 b n Now let's apply this for...
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Answered by Andrew B. • Maths tutor
4188 Views

What do you put in a personal statement?

Your personal statement should aim to explain why you deserve a place to study a course at university level. The idea behind it is to make it, simply, personal: you can pick and choose what goes into it. How...
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When do you use the past tenses 'passé composé', 'plus-que-parfait', and 'imparfait'?

The 'passé composé' - formed by the auxiliary 'avoir' or 'etre' conjugated in the present tense, followed by the past participle of the verb being conjugated - is used the most when speaking. It generally re...
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Answered by Tamina S. • French tutor
21153 Views

What are the structural and functional differences between arteries and veins?

Arteries have a much thicker muscular layer than veins, as this allows them to contract strongly and generate a high pressure to allow blood to be quickly transported to tissues in the body. Arteries also ha...
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Answered by Anita R. • Biology tutor
3554 Views

What are the four processes of erosion

Hydraulic action, abrasion, attrition and solution.
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Answered by Bianca S. • Geography tutor
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