Question

Find the 4th term if the sequend in which a1 = 2 and an+1 = -4an + 2

Answer 1

follow the rule that the next term is equal to -4 times the current term + 2

you know the 1st term

a1 = 2

a2 = -4*a1 + 2

so

a2 = -6

a3 = -4 *-6 + 2

so

a3 = 26

see if you can fins the 4th term