Question

which term of the sequence -1,3,7,11……is 95

Answer 1

$a = - 1 \\ d = 4 \\ 95 = a + (n - 1)d \\ 95 = - 1 + (n - 1)4 \\ 95 = 4n - 5 \\ 100 = 4n \\ n = 25$
25th term
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