Question

5. Find the 17th term of the A.P. 4, 9, 14, g.

Answer 1

Hi ,

I will think there's an error in the

question.

It may be like this .

4 , 9 , 11 , ...is given A.P

First term = a = 4

Common difference = a2 - a1

d = 9 - 4 = 5
****************************************

We know that ,

nth term of A.P , whose first term is
a and common difference is d is

an = a + ( n - 1 )d
*******************************************
Here ,

n = 17 ,
a = 4 ,
d = 5
17th term = a17

a17 = 4 + ( 17 - 1 )5
= 4 + 16 × 5
= 4 + 80
= 84
Therefore ,
17th term of given A.P = 84

I hope this helps you.

: )

Answer 2

Here is your answer


ap = 4 , 9 , 14

17th term = a + 16d
= 4 + 16 × 5
= 4+80
= 84


Hope it helps you ^_^


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