Question

In an arithmetic progression, if the first term is 'a' and the common difference is d'
then the sum of its first n term is
B) Sn=2[a + (n − 1)d]
A) Sn=;la + (n − 1)d]
C) Sn="[a + (n − 1)d]
D) S (2a + (n - 1)d]​

Answer 1

Answer:

nahun aata hai kya karo

Step-by-step explanation:

aage bta yrrp

Answer 2

Answer:

B)Sn=2[a+(n-1)d]

Step-by-step explanation:

I think it's help you

thank you