Answer to Question #81198 in Discrete Mathematics for Imran

Question

a) Which of the following sentences are statements? Give reasons for your answer.
i) Are the buses running today?
ii) What a pleasant weather!
iii) x2 +1 = 0 for a real value of x.
iv) Every odd number is a prime.
b) Let t(n) denote the number of ways in which 2n tennis players can be paired to play n matches.
Determine a recurrence equation for the sequence t(n).
c) Show that any tree with exactly two vertices of degree 1 is a path.

Answer 1

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