Prove for X, as in Exercise 4 that P(X, 5)>c>0, where A and

c, otherwise. Hint: +1, and 4-AA for integer PX, s) for n sic Aimplying 4..> Also- and by Exercise 4 PX, s)- For >0 and -0,1,....let ()() Prove that if j < < j, then where <2x-1, and that for s h-k-N. -Ocxp(-7) (Hint: For (apply Theorem 2, and for (ii) apply Lemma