Question

3. nth term of a AP is an-3n-1 then value of Sz is

a)2 b)7 c)9 d)5​

Answer 1

Answer:

Step-by-step explanation:

To find the series, we will plug in numbers in the above expression.

For n = 1, 3n - 1 = 2

     n = 2, 3n - 1 = 5

     n = 3, 3n - 1 = 8

So, the sequence we get is 2, 5, 8, 11,

Answer 2

Answer:

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