brilihari1112 brilihari1112 28-01-2024 Mathematics contestada The ratio of the 11th term to the 17th term of an A.P. is 3:4. Find the ratio of the 5th term to the 21st term of the same A.P. Also, find the ratio of the sum of the first 5 terms to that of 21 terms. a. 1:1, 1:2 b. 2:1, 2:3 c. 3:2, 3:4 d. 4:3, 4:5
