contestada

Find the first five terms of the sequence in which a1 = 6 and an = -3an-1 - 12, if n _>2.

A. -30, 78, -246, -2190
B. 6, -30, 78, -246 , 726
C. 6, 6, -30, 78 -246
D. -15, -18, -21, -27​