Question

Find 17th term of an AP whose 4th term is 13 and the 10th term is 25 .​

Answer 1

Simplification of the above question cane written as

Simplification of the above question cane written asa+ 3d = 13

Simplification of the above question cane written asa+ 3d = 13=>3d = 13 - a. (1)

Simplification of the above question cane written asa+ 3d = 13=>3d = 13 - a. (1)a+ 9d = 25

Simplification of the above question cane written asa+ 3d = 13=>3d = 13 - a. (1)a+ 9d = 25=> 9d = 25- a

Simplification of the above question cane written asa+ 3d = 13=>3d = 13 - a. (1)a+ 9d = 25=> 9d = 25- a3(3d) = 25 - a. (2)

Simplification of the above question cane written asa+ 3d = 13=>3d = 13 - a. (1)a+ 9d = 25=> 9d = 25- a3(3d) = 25 - a. (2)Substituting

Simplification of the above question cane written asa+ 3d = 13=>3d = 13 - a. (1)a+ 9d = 25=> 9d = 25- a3(3d) = 25 - a. (2)Substituting(1) in (2)

Simplification of the above question cane written asa+ 3d = 13=>3d = 13 - a. (1)a+ 9d = 25=> 9d = 25- a3(3d) = 25 - a. (2)Substituting(1) in (2)3(13 - a) = 25 - a

Simplification of the above question cane written asa+ 3d = 13=>3d = 13 - a. (1)a+ 9d = 25=> 9d = 25- a3(3d) = 25 - a. (2)Substituting(1) in (2)3(13 - a) = 25 - a39 - 3a = 25 - a

Simplification of the above question cane written asa+ 3d = 13=>3d = 13 - a. (1)a+ 9d = 25=> 9d = 25- a3(3d) = 25 - a. (2)Substituting(1) in (2)3(13 - a) = 25 - a39 - 3a = 25 - a2a. = 14

Simplification of the above question cane written asa+ 3d = 13=>3d = 13 - a. (1)a+ 9d = 25=> 9d = 25- a3(3d) = 25 - a. (2)Substituting(1) in (2)3(13 - a) = 25 - a39 - 3a = 25 - a2a. = 14a = 7

Simplification of the above question cane written asa+ 3d = 13=>3d = 13 - a. (1)a+ 9d = 25=> 9d = 25- a3(3d) = 25 - a. (2)Substituting(1) in (2)3(13 - a) = 25 - a39 - 3a = 25 - a2a. = 14a = 7From (1) d= 2

Simplification of the above question cane written asa+ 3d = 13=>3d = 13 - a. (1)a+ 9d = 25=> 9d = 25- a3(3d) = 25 - a. (2)Substituting(1) in (2)3(13 - a) = 25 - a39 - 3a = 25 - a2a. = 14a = 7From (1) d= 217th term = 7 + 15(2) =37 the answer