The third term of a geometric series is 80 and the sixth term of the series is 10.
a.
Find the common ratio.
[2]
b.
Find the first term of the series.
[2]
c.
The sum of the first 10 terms of the series.
[2]
d.
The sum to infinity of the series.
[2]
Markscheme
3.4.5 Sequences and Series (A-level only) Questions
22 exam-style questions on WJEC A Level Maths 3.4.5 Sequences and Series (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.