You visited us 81 times! Enjoying our articles? Unlock Full Access!

Formula for Sum of n Terms of an AP

The sum of n ...

Question

The sum of n terms of an arithmetic sequence can be calculated by .........................

S_{n} = \frac{n}{2} [2 a + (n - 1) d]

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

S_{n} = \frac{n}{2} [2 a + (n + 1) d]

No worries! We‘ve got your back. Try BYJU‘S free classes today!

S_{n} = \frac{2 n}{2} [2 a + (n - 1) d]

No worries! We‘ve got your back. Try BYJU‘S free classes today!

S_{n} = \frac{2 n}{2} [2 a - (n - 1) d]

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $S_{n} = \frac{n}{2} [2 a + (n - 1) d]$
The sum of n terms of an arithmetic sequence can be calculated by $S_{n} = \frac{n}{2} [2 a + (n - 1) d]$
Where, n denotes the total number of terms
a = first term
d = common difference
$S_{n}$ = Sum of n terms

Suggest Corrections

Similar questions

1

11

2, 6, 10, 14, \dots

242.

2

n

S_{n} = \frac{n}{2} [2 a + (n - 1) d]

n

a

l

d

n t h

t_{n} = (9 - 5 n)

- 465

n = 15

n

S_{n} = \frac{n}{2} [2 a + (n - 1) d]

Join BYJU'S Learning Program