Answer:
This is the AP sum formula to find the sum of n terms in series.
...
List of Arithmetic Progression Formulas.
General Form of AP
a, a + d, a + 2d, a + 3d, . . .
The nth term of AP
an = a + (n – 1) × d
Sum of n terms in AP
S = n/2[2a + (n − 1) × d]
Sum of all terms in a finite AP with the last term as 'l'
n/2(a + l)
I am in 10th
why you asking
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Answer:
This is the AP sum formula to find the sum of n terms in series.
...
List of Arithmetic Progression Formulas.
General Form of AP
a, a + d, a + 2d, a + 3d, . . .
The nth term of AP
an = a + (n – 1) × d
Sum of n terms in AP
S = n/2[2a + (n − 1) × d]
Sum of all terms in a finite AP with the last term as 'l'
n/2(a + l)
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Answer:
I am in 10th
why you asking