Geometric Sequences A-Level & IB Maths Style Questions (KS#04)

Solve two simultaneous equations to find a (first term) and r (common ratio) of a geometric sequence, this is a typical A-Level Maths geometric sequence exam question. Can you solve it?!

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⬇️📚Geometric Sequences: A Free Online A-Level Maths eBook📚 ⬇️

Free A-Level maths tutorials, online courses and e-books.
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⏰timecodes⏰
0:00 intro
0:34 example 1
2:34 example 2
6:45 example 3
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