The 14 term of an A.P is 96 while the 25term is 173
3 answers
Pls I need that answer
Sum of 3 term and 6 term
Tn = a + (n-1) d
we need a and d
T14 = 96 = a + 13 d
T25 = 173 =a + 24 d
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subtract
- 77 = - 11 d
d = 7
now go back and find a
we need a and d
T14 = 96 = a + 13 d
T25 = 173 =a + 24 d
---------------------------
subtract
- 77 = - 11 d
d = 7
now go back and find a