Question

Q.5) Find 9th term of the AP 5,9, 13........​

Answer 1

Answer:

Here, nth term is=a+(n−1)d

⟹5+(n−1)4=185

Hence, n=46

So, 9th term from end will be the 38th term of this A.P

i.e; a+37d=5+37.(4)

⟹153

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Answer 2

Step-by-step explanation:

d= 9 - 5 = 4

a⁹=a + (n - 1 )d

=5 + ( 9 - 1) 4

= 5 + 32

37