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Arithmetic progression
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Arithmetic progression
by jack15379 » Thu Jan 07, 2010 1:39 pm
An equipment costs a certain factory Rs.6000. If it depreciates in value 15% the first year, 13.5% the next year, 12% the third year and son on, what will be its value at the end of 10yrs(all % applying to the original cost)
by Math Tutor » Thu Jan 07, 2010 1:52 pm
It is an arithmetic progression.
What is its common difference?
Here are the formulas of arithmetic progressions.
What is its common difference?
Here are the formulas of arithmetic progressions.
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by Math Tutor » Fri Jan 08, 2010 4:00 am
use this formula, please:
a<sub>n</sub> = a<sub>1</sub> + (n - 1)d
a<sub>1</sub> = 15
n = 10
d = -1.5
a<sub>n</sub> = a<sub>1</sub> + (n - 1)d
a<sub>1</sub> = 15
n = 10
d = -1.5
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