Prove-1-E-x-E-y-E-x-y-E-x-E-y-1-2-E-x-E-y-E-x-1-E-2x-E-2y-3-E-x-2-E-x-1-2-E-x-

Question Number 159737 by LEKOUMA last updated on 20/Nov/21

P r o v e

1) E (x) + E (y) ⩽ E (x + y) ⩽ E (x) + E (y) + 1

2) E (x) + E (y) + E (x + 1) ⩽ E (2 x) + E (2 y)

3) E (\frac{x}{2}) + E (\frac{x + 1}{2}) = E (x)