IG Add Maths 0606/23/M/J/20 Q9

Question

(a) Find the term independent of x in the binomial expansion of (3x – 1/x)^6.

(b)In the expansion of (1+x/2)^n, the coefficient of x4 is half the coefficient of x6. Find the value of the positive constant n.

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    2020-12-25T17:25:49+08:00

    Good day. The solution is as followed.
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