C2 geometric series
HI all,
Write the nth term of the series in the form p x q^n, where r is 0.7 and a is 420.
So I know that u(n) = ar^(n-1) = 420 x 0.7^(n-1)
But how do I get the answer 600 x 0.7^n?
Many thanks!
Write the nth term of the series in the form p x q^n, where r is 0.7 and a is 420.
So I know that u(n) = ar^(n-1) = 420 x 0.7^(n-1)
But how do I get the answer 600 x 0.7^n?
Many thanks!
Original post by Dental Plan
HI all,
Write the nth term of the series in the form p x q^n, where r is 0.7 and a is 420.
So I know that u(n) = ar^(n-1) = 420 x 0.7^(n-1)
But how do I get the answer 600 x 0.7^n?
Many thanks!
Write the nth term of the series in the form p x q^n, where r is 0.7 and a is 420.
So I know that u(n) = ar^(n-1) = 420 x 0.7^(n-1)
But how do I get the answer 600 x 0.7^n?
Many thanks!
Quick Reply
Related discussions
- New Spec A Level Sequences
- A level maths,please help
- C2 Series Help Please
- Arithmetic or geometric sequence
- Arithmetic sequence diverge or converge formula?
- A level maths sequences help
- Maths series help
- Alevel maths - OCR
- Engaa help plsss urgent!!!
- Teenagers find an "impossible" proof of Pythagoras' Theorem
- Further Maths Summations Help
- A2 Sequence and Series
- Does a geometric series oscillate?
- MAT practice
- Geometric and binomial
- A-level Edexcel Maths - Proofs
- Sequence and series
- series and sequences question
- Help with complex summation further maths a levels
- Help a level maths urgent
Latest
Trending
Last reply 2 days ago
Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrongMaths
71
Trending
Last reply 2 days ago
Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrongMaths
71
