For the sequence defined by a1=4, an+1 = 3/an-4

Question

For the sequence defined by

a₁=4

a_n+1=3/a_n-4

a₂= -13/4

what about a₃₌

a₄=

Answer 1

a1 = 4

an+1 = 3/an -4

a2 =3/4 -4 = -13/4

a3 = 3/(-13/4) - 4 =-12/13-4= -64/13

a4 = 3/(-64/13) - 4 = 3(-13/64) -4 = -39/64 -4 = -295/64