Mathematics, 10.02.2021 01:00, ethanboshears15
Omputation of compound interest by using growing principal becomes lengthy and complicated when the period is long. If the rate of interest is annual and the interest is compounded quarterly (i. e., 3 months or, 4 times in a year) then the number of years (n) is 4 times (i. e., made 4n) and the rate of annual interest (r) is one-fourth (i. e., made r4). In such cases we use the following formula for compound interest when the interest is calculated quarterly.
If the principal = P, rate of interest per unit time = r4%, number of units of time = 4n, the amount = A and the compound interest = CI
Then
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