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how do I do proofs by induction?

The general method is: 1)write down what needs to be shown (the claim) 2)check it holds for the lowest value of n required (normally n=1 but check question) 3)write down sentence: 'Suppose when n=m the cl...

DR
2853 Views

Integrate x*sin(x) with respect to x.

We integrate by parts: u=x   u'=1;  v'=sin(x)  v=-cos(x) integral(xsin(x)dx) = -xcos(x) + integral(cos(x)dx) = -x*cos(x) + sin(x) + C where C is a constant.

JR
Answered by James R. Maths tutor
14624 Views

How do I do binomial expansions for positive integer n?

The general method for (a+b)^n is: 1)write out pascals triangle (see whiteboard) and stop at the nth row. Write this on a line. 2)write down the powers of a in ascending order (and simplify) 3)write down ...

DR
Answered by Daniel R. Maths tutor
3852 Views

How do I work out what integration method I should use to solve an integral?

A-Level Mathematics is about a wide range of topics, among which Integrating is key!

While differentiation is a technique, whereby a set of rules can be used to approach problems, integration is an...

LC
Answered by Luigi C. Maths tutor
12267 Views

Explain the flaws of Utilitarianism?

Utilitarianism is a legal doctrine formulated by Jeremy Bentham in the 18th century, it is a consequentialist school of thought which locates the morality in the consequences of an act. Exemplified by the...

KH
Answered by Kristian H. Law tutor
4974 Views

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