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 ?

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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


The constant term must be


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

Hope these help!! :)
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