Question

ALI
Q1. Find the sum of the following A.Ps.:
(i) 2, 7, 12, ..., to 10 terms.
(ii) - 37, - 33, -29, ..., to 12 terms.
(iii) 0.6, 1.7, 2.8, ..., to 100 terms.
(iv)
1 1 1
15' 12'10
..., to 11 terms.​

Answer 1

Answer:

17,22,27,3237,42,47

Answer 2

Answer:

1. 354

Step-by-step explanation:

sn=n/2(2a(n-1)d)

s12= 12/2(2×2 (12-1) 5

s12= 6(4+55)

s12= 6(59)

s12=354