if the 10th term of an ap is 52 and the 17th term is 20 more than the 13th term find the ap
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Answer:
AP = 7, 12, 17, 22...
Step-by-step explanation:
given :
a+9d = 52 -------------(1)
a+16d-(a+12d) = 20
to find :
AP
Procedure :
a+ 16 d -(a +12d) = 20
16d - 12d = 20
4d = 20
d = 20/4
d = 5
substitute d value in eq(1)
a+ 9d = 52
a+ 9(7) = 52
a + 45 = 52
a = 52 -45
a = 7
AP........
a, a+d, a+2d........
7, 7+5, 7+2(5) ....
7, 11 , 17 .............
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