determine Whose third term is 15 35th term is -81
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Answer :
AP = 207,111,15,...
Step-by step explanation :
a3 = 15
a35 = -81
a + 2d = 15
a + 3d = -81
-d = 96
d = -96
put d in eq. 1
a - 192 = 15
a = 15+192
a = 207
A.P = 207,111,15,....
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