A series of the form a + (a + d)r + (a + 2d)r2 + ... is called an Arithmetic-Geometric series. In the series if we put we get GP and if we put r = 1, we get an AP.
To find the sum to the series
Subtracting (ii) from (i), we get
Note:
Get FREE Live Tutoring
(No credit card required)
Customer Care
Click to get customer service, technical support and subscription help.
we get GP and if we put r = 1, we get an AP.
