Question

If the sum of the first 15 terms of an AP be 30 and the sum of first 30 terms is 15 then find the sum of its first 45 terms

Answer 1

Answer:

15×2 = 30

30 ÷ 2 = 15

so, 45×2 = 90

the answer is 90

Answer 2

hope my answer is helpful

plssssssssark me brainly