...dll oy, 00, 07.............
15. If the 10th term of an A.P. is 52 and 17"
" term of an A.P. is 52 and 17th term is 20 more than the 13th term, find the A.p
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Answer:
a+9d = 52
a+16d = a+12d+20
4d = 20
d = 5
a+9(5) = 52
a+45 = 52
a = 7
AP: 7,12,17,22.......
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