Question

in ap is 108 a term of sequence is 3,7,11,15​

Answer 1

Answer

Here,

a=3

d=7-3=4

Checking whether 108 is a term of this AP.

108=a+(n-1)d

⇒108=3+(n-1)4

⇒108=3+4n-4

⇒108=4n-1

⇒109=4n

⇒109/4=n

⇒n=27.2

Now as the value of n is not a natural number it will not be a part of this AP.

Answer 2

Step-by-step explanation:

a =3

d=4

108=3+(n-1)4

105=(n-1)4

n will be in fraction so 108 is not the term of this ap

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