Which characteristic equation corresponds to the general solution an=c1⋅2n+c2⋅(−3)na_n = c_1 \cdot 2^n + c_2 \cdot (-3)^nan=c1⋅2n+c2⋅(−3)n?
r2−r−6=0r^2 - r - 6 = 0r2−r−6=0
r2+r−6=0r^2 + r - 6 = 0r2+r−6=0
r2−r+6=0r^2 - r + 6 = 0r2−r+6=0
r2+r+6=0r^2 + r + 6 = 0r2+r+6=0