Find a formula for the general term an of the sequence assuming the pattern of the first few terms continues. {(-10)/(4), (12)/(16), (-14)/(64), (16)/(256),...} Thank you

Question

Find a formula for the general term an of the sequence assuming the pattern of the first few terms continues.

{
`(-10)/(4)`,
`(12)/(16)`,
`(-14)/(64)`,
`(16)/(256)`,...}


Thank you

Answer 1

ans : general term = (2n +8)/(4^n) * (-1)^n