Question

the 31st term of an AP 3,5,7,9,______is_____​

Answer 1

Answer:

The 31st term of AP is 63

Answer 2

${\huge{\underline{\underline{\mathcal{\green{An}{\red{sw}{\blue{er}}}}}}}}$

☆ Given -

A.P.

3,5,7,9,....

☆ To Find -

31st term of this A.P.

★ Solution -

In this Progression ,

a = 3

d = 2

n = 31

So, using the Formula for finding the n th term..

An = a + (n-1)d

31st term = 3 + (31-1)(2)

31st term = 3 + 30×2

31st term = 3 + 60

31st term = 63

So, the answer is 63.