Geometric Series
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More Lessons for A Level Maths
Math Worksheets
Examples, videos, activities, solutions and worksheets that are suitable for A Level Maths. How to prove the formula for the sum of the first n terms of a geometric series? How to prove the formula for the sum to infinity of a geometric series? How to solve word problems using geometric series?
Geometric Series - Proof of the Sum of the first n terms
In this video you are shown how to prove the formula for the sum of the first n terms of a geometric series.
Geometric Series - Sum to Infinity
In this video you are shown how to prove the formula for the sum to infinity of a geometric series
A-level Maths : Geometric Series (investment problem)
Example:
A savings scheme is offering a rate of interest of 3.5% per annum for the lifetime of the plan. Alan wants to save up £20,000. He works out that he can afford to save £500 every year, which he will deposit on 1st January. If interest is paid on 31st December, how many years will it be before he has saved up his £20,000?
Geometric Series : Sum to infinity example
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
More Lessons for A Level Maths
Math Worksheets
Examples, videos, activities, solutions and worksheets that are suitable for A Level Maths. How to prove the formula for the sum of the first n terms of a geometric series? How to prove the formula for the sum to infinity of a geometric series? How to solve word problems using geometric series?
Geometric Series - Proof of the Sum of the first n terms
In this video you are shown how to prove the formula for the sum of the first n terms of a geometric series.
In this video you are shown how to prove the formula for the sum to infinity of a geometric series
Example:
A savings scheme is offering a rate of interest of 3.5% per annum for the lifetime of the plan. Alan wants to save up £20,000. He works out that he can afford to save £500 every year, which he will deposit on 1st January. If interest is paid on 31st December, how many years will it be before he has saved up his £20,000?
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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