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Bolton
Questions (1)
Determine the coefficient of x^15 in the expansion (2x-3x^2)^10
ii)Find the coefficient of x^-8 in the expansion (x^2 +1/x^3)^16
4 answers
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Answers (3)
Sorry but the part where u said (x^2)^{10-n)=x^20 -n
I think it's supposed to be -1959552
Reiny u are very very good
