Mathematics Problem

In the expansion of (1 ax)^n where a ≠ 0 and n > 2. a) write down the first three terms in ascending powers of x, b) the coefficient of x^2 term is half the coefficient of the term in x. show that n = 1 a/ a . c) find the coefficient of x^2 term when, a = 1 5

Reply 1

Muttley79

20

Original post by Shamilea

In the expansion of (1 ax)^n where a ≠ 0 and n > 2. a) write down the first three terms in ascending powers of x, b) the coefficient of x^2 term is half the coefficient of the term in x. show that n = 1 a/ a . c) find the coefficient of x^2 term when, a = 1 5

Post your working as per forum rules and we'll help :smile:

Reply 2

davros

16

Original post by Shamilea

In the expansion of (1 ax)^n where a ≠ 0 and n > 2. a) write down the first three terms in ascending powers of x, b) the coefficient of x^2 term is half the coefficient of the term in x. show that n = 1 a/ a . c) find the coefficient of x^2 term when, a = 1 5

In addition to posting your working as per forum guidelines, it would also be helpful if you could upload an image of the original question - there appear to be several operators missing in your post e.g. between the '1' and the 'ax' in the first bracket :smile:

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