Find the term independent of x x\,x in the expansion of (2x+1x)6\displaystyle \left(2x+\frac{1}{x}\right)^6(2x+x1)6.
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Markscheme
1.3 Sequences and series Questions
107 exam-style questions on CCEA A Level Maths 1.3 Sequences and series, covering 1.3.1 Sequences and series and 1.3.2 Sequences and series. Each one has a worked solution and a mark scheme showing where the marks go.