Asked by hetal

The 12th term of exceeds the 3rd term by 36 of an a.p
If it's 16th term is 64 find first term and common difference
Answered by Reiny
a+11d - (a + 2d) = 36
9d = 36
d = 4

term(16) = a+15d = 64
a + 60 = 64
a = 4

so a = 4, d = 4
Answered by Jenish
Very easy method
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