Question

NI
mi) Also,
NIT
total production of TV sets in first
EXERCIS
1. Find the sum of the following APs:
(1) 2,7,12,..., to 10 terms.​

Answer 1

Answer:

a=2 ; d=5 ; n=10

so , S10=245

Step-by-step explanation:

from the formula of Sn=n/2(2a+(n-1)d)

put the value of a ,d ,n

then we will get the answer that is

S10=245