Question

19. The average of the expression 1^2 - 6^2 +2^2-7^2 + 3^22 - 8^22 + ... to 100 terms.​

Answer 1

Answer:

Given :- find the next number of the following series 5 6 5 13 9 36 27 91 ? → 91 - (4)² = 91 - 16 = 75 (Ans.)