Question

the 15th term of the AP is 10,7,4,....is​

Answer 1

nth term of an AP is given by

an =a+(n−1)d

In the given sequence, 'a' = 10, 'd' = -3, 'n' = 15

So, 15th term =

t15=10+(15−1)(−3)

⟹t15 =10−42

=−32