Question

check whether 48 is a term of 7,10,13,16

Answer 1

Answer:

It is not a term of the given Ap......

Answer 2

Answer:

a=7

d=3

an=48

$a + (n - 1)d = an \\ \rightarrow \: 7 + (n - 1)3 = 48 \\ \rightarrow \:7 + 3n - 3 = 48 \\ \rightarrow \:4 + 3n = 48 \\ \rightarrow \:3n = 44\rightarrow \:n = \frac{44}{3}$

this is not the term of a.p. b/z n is in fraction.

hope it helps you....✌✌