Question

(ii) The first term of a series in A.P. is 17,
sum 25
7
16
find the common differenc
11. (i) If to = 2n + 3, find t7, t30, Sio
(ii) In an A.P. if t10 = 17, find Sy
(iii) In an A.P. if S 1 = 77, find to​

Answer 1

Step-by-step explanation:

2n+13

2×17+13=25

34+13=25

47=25

47-25

22

Answer 2

Answer:

what do you think you are too brilliant.

15181

Step-by-step explanation: