Question

a n = 4 n^2-1 find 8th term​

Answer 1

Step-by-step explanation:

an = 4n^2 - 1

a8 = 4(8)^2 - 1

a8 = 4 × 64 - 1 = 256 - 1 = 255 Ans!!

hope it's help you‼️‼️☑️☑️

Answer 2

$\large{\mathcal{\blue{Answer}}}$

8th term

$an = 4n {}^{2} - 1 \\ a(8) = 4(8) {}^{2} - 1 \\ a(8) = 4(64) - 1 \\ = 256- 1$

$\large{\mathcal{\blue{\boxed{255}}}}$