Question: (a) Prove Theorem 2. (b) Prove the last statement of Theorem 3. (c) Derive (11) from (8). (d) By the binomial theorem, - a-k (a

(a) Prove Theorem 2.
(b) Prove the last statement of Theorem 3.
(c) Derive (11) from (8).
(d) By the binomial theorem,

п кьт-к Σ п aкьп-k (a + b)

so that abn-k has the coefficient (E)-

Can you conclude this from Theorem 3 or is this a mere coincidence?

(e) Prove (14) by using the binomial theorem.

- a-k (a + b)" k=0 so that abn-k has the coefficient (E)-

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