Question

EXERCISE 53
1. Find the sum of the following APs:
(1) 2.7, 12. ....to 10 terms.
(i) -37,-33, -29, ... to 12 terms.
1 1 1
(iv)
to 11 terms.
15 12 10
(m) 0.6 1.7.2.8 ... to 100 terms.
Find the sums given below:
(7+10% +14+...+84
(ii) 34+ 32 + 30+...+10
(ii) -5 *(-8) +(-11)+...+(-230)
In an AP:
@ given a =5, d=3, a = 50, find n and S
(i) given a = 7,49 = 35, find d and S.
(iii) givena=37, d=3, find a and S,
(iv) given a = 15, S. = 125, find d and a
(v) given d=5, S. = 75, find a and a.
(Y) given
12
10
plzz answer my question very fast, my dear friends​

Answer 1

Answer:

long question done yourself test okay