Question

Which of the following is the fourth term in the expansion of (3 – x)5?

Answer 1

Its (3-x)^5

Answer 2

I will love you forever and ever if you help me!

Answer 3

\[(3-x)^5=-x^5+15 x^4-90 x^3+270 x^2-405 x+243 \]

Answer 4

For the expansion of (a-b)^n
\[\large T_r = ^nC_r .a^{n-(r-1)}b^{r-1}\]

Answer 5

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Answer 6

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