Question

The sum of the first 50 terms is 25 and the sum of its next 5 terms is -75.Finr the 10 term of


a.P

Answer 1

Answer:

Step-by-step explanation:

Hence the sum of the second 5 terms = S10-S5 = 20+45d -10–10d = 10+35d. So the first 10 terms are 2, -4, -10, -16, -22, -28, -34, -40, 46, -52. The sum of the first 5 terms = -50. The sum of the next 5 terms = -200.