Write the first five terms of each sequence 1.a(1) = 7, a(n) = a(n-1) - 3 for n 2.
2. b(1) = 2, b(n) = 2.b(n-1) - 1 for n 2 2.
2.c(1) = 3,c(n) = 10c(n-1) for n > 2.
2. d(1) = 1, d(n) = n. d(n-1) for n 2 2