Question

3/p=(1-1/3) (1-1/4) (1-1/5) (1-1/6)

Answer 1

3/p = (1² - 1/4 - 1/3 + 1/12) (1² -1/6 - 1/5 + 1/30)
3/p = (1 -3/12 - 4/12 + 1/12) (1 - 5/30 - 6/30 + 1/30)
3/p = (1 - 6/12) (1 - 10/30)
3/p = (1 - 1/2) (1 - 1/3)
3/p = (1/2) (2/3)
3/p = (2/6)
3/p = 1/3
3 x 3 = 1 x p
9 = p