Question

1!+2!+3!+.............+50!​

Answer 1

1 + 2 + 3 + 45 + 50

Hope it helps u.........

Answer 2

Answer:

This is serially arranged from 1 to 50.

ok, This is an A.p

a = 1, d = 1 , tn=50, n= 50

sn = n/2 [ 2a + (n-1)d

s50 = 50 / 2 [ 2 ×1 + ( 50 -1)1]

= 25 [ 2 + (49) ]

= 25 ( 51)

S50 = 1275