Binomial Theorem

Algebra, Functions and equations, Circular functions and trigonometry, Vectors, Statistics and probability, Calculus. IB Maths SL Revision Notes

Binomial Theorem

Postby Brynlee » Fri Oct 25, 2013 11:27 am

IB mathematics SL - Binomial Theorem

How can we find the constant term of the expansion of ?

Thanks!
Brynlee
 
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Re: Binomial Theorem

Postby miranda » Sat Oct 26, 2013 5:00 am

The general term of a binomial expansion of the form is given by the following formula:



In your question the general term is







(1)


The constant term must be

So,

Then we can easily calculate the coefficient of this term by plugging in into equation (1)





Hope these help!! :)
miranda
 
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