Question

If an = 2n²- 2 then value of a3 is _______

Answer 1

Answer:

an = 2n^2 - 2

Step-by-step explanation:

Then a3 will be

= 2(3)^2 - 2

= 2(9) - 2

= 18 - 2

= 16

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Answer 2

Answer:

an = 2n^2 -2

similarly if we put 1 if will be 2(1)^2 -2 = 2

Step-by-step explanation:

In this case we will put 3 as it is the 3rd term(a3)

2(3)^2-2

10 is the answer!

Thank you!!!