1. The formula for the future value of an annuity due involves the expression (1 + i)+1...

Question:

1. The formula for the of an due involves the expression

Write this expression over a common denominator and factor the numerator to simplify?
2. Two thin lenses with focal lengths p and q and separated by a distance d have their combined focal length given by the reciprocal of

(a) Combine these fractions.
(b) Use the reciprocal of your answer in (a) to find the combined focal length?

Annuity
An annuity is a series of equal payment made at equal intervals during a period of time. In other words annuity is a contract between insurer and insurance company in which insurer make a lump-sum payment or a series of payment and, in return,... Future Value
Future value (FV) is the value of a current asset at a future date based on an assumed rate of growth. The future value (FV) is important to investors and financial planners as they use it to estimate how much an investment made today will be worth...