Question

program to print the series 1,2,6,24,120​

Answer 1

Answer:

$1 + 2 = 3 \times 2 = 6 \\ 2 + 6 = 8 \times 3 = 24 \\ 6 + 24 = 30 \times 4 = 120 \\ 24 + 120 = 144 \times 5 = 720..... \\ ..............................................$