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How do I use context effectively within an essay?

First of all, it's important to clarify what is meant by 'context'. In your essays it can count as any extra knowledge surrounding the text, so for instance a piece of history from the time period of the tex...
JB
53389 Views

What is the integral of x sin(x) dx?

Find the following integral: ∫ x sin(x) dx This question is a good candidate for the integration by parts method, as it is the product of two different 'parts'. Step 1) Recall that if you have an integral of...
SF
Answered by Shaun F. • Maths tutor
348667 Views

Solve the simultaneous equations: x^2+y^2=36 ; x=2y+6

Substitute x in terms of y into the first equation: (2y+6) 2 +y 2 =36 Use FOIL to expand the brackets 4y 2 +24y+36+y 2 =36 => 5y 2 +24y=0 y(5y+24)=0 => y=0 or y=(-24)/5 Substitute these values of y int...
DB
Answered by Daniel B. • Maths tutor
33702 Views

Find the derivative of f(x)=x^2log(2x)

Use the product rule (f'(x)=u'v+uv') Let u=x 2 => u'=2x Let v=log(2x) => v'=2/(2x) => v'=1/x Therefore f'(x)=2xlog(2x)+x 2 /x f'(x)=2xlog(2x)+x
DB
Answered by Daniel B. • Maths tutor
9959 Views

How do vaccinations work?

People are immunised against pathogens through vaccination - usually an injection. A vaccine is comprised of dead , inactive or weakened pathogen or virus. These act as antigens (foreign proteins) that the b...
RO
Answered by Rachael O. • Biology tutor
6039 Views