550210
Description
Mind Map by Shwetha Sunderrajan, updated more than 1 year ago
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Created by Shwetha Sunderrajan
almost 11 years ago
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Arithmetic And
Geometric
Progression
- Arithmetic Progression (AP)
- a - First term
- d - Common difference
- Tn - nth term of AP
- Tn = a + (n-1)d
- Sn = (n/2) (2a + {n-1}d)
- Sn = (n/2) (a + Tn)
- Sn = (n/2) (a + l)
- Sn = (n/2) (a + Tn)
- l = Last term of Ap
- a - First term
- Geometric Progression (GP)
- a = First term
- r = ratio
- Tn = a * r^(n-1)
- a = First term
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