combinatorial-mathematics-In-how-many-subsets-of-10-members-of-the-set-1-2-20-is-there-no-difference-between-two-members-of-5-a-2-10-b-3-5-

Question Number 162819 by mnjuly1970 last updated on 01/Jan/22

You can't use 'macro parameter character #' in math mode

I n h o w m a n y s u b s e t s o f 10

m e m b e r s o f t h e s e t, {1, 2, \dots, 20}

i s t h e r e n o d i f f e r e n c e b e t w e e n

t w o m e m b e r s o f 5 ?

a : 2^{10} b : 3^{5} c : 2^{8} d : 10^{4}

Commented by mnjuly1970 last updated on 01/Jan/22

f o r e x a m p l e

{1, 2, 3, 4, 5, 16, 17, 18, 19, 20}