For the non-homogeneous recurrence an=3an−1+2na_n = 3a_{n-1} + 2^nan=3an−1+2n, if an=c13n+pna_n = c_1 3^n + p_nan=c13n+pn, what is the coefficient of pn=A2np_n = A 2^npn=A2n?
A=−1A = -1A=−1
A=1A = 1A=1
A=2A = 2A=2
A=−2A = -2A=−2