Give a recursive definition of the sequence {aₙ}, n = 1, 2, 3, . . . if

a)a_{n}=4n−2.

b)a_{n}=1+(−1)n.

c)a_{n}=n(n+1).

d)a_{n}=n^{2}.

Give a recursive definition of the sequence {aₙ}, n = 1, 2, 3, . . . if

a)a_{n}=4n−2.

b)a_{n}=1+(−1)n.

c)a_{n}=n(n+1).

d)a_{n}=n^{2}.