2
votes
2answers
45 views
Finding the coefficient of y^4
Find the co-efficient of y4 in the expansion of (y+3)3(2-y)5
3
votes
1answer
44 views
Finding the coefficients with the Binomial Theorem
Hey,
For (2/x + 3x)5, find the coefficient of:
(i) x2
(ii) x3
(iii) x4
1
vote
1answer
25 views
Help with binomial theorem expansion
How do I find the third term in the expansion of: (3-(x/4))9 assuming ascending powers of x
I used binomial theorem and still got the answer wrong.
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