Let n>1. A hexagonal number h, is of the form h, = n(2n – 1). a. Determine the first 5 hexagonal numbers. b. Illustrate the first 5 hexagonal numbers. c. Define h, recursively. d. If p, and t,-1 are nth pentagonal and (n – 1)th triangular numbers, respectively, then prove directly that p, + tp-1 = h,-

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4. Let n>1. A hexagonal number h, is of the form ha
n(2n – 1).
a. Determine the first 5 hexagonal numbers.
b. Illustrate the first 5 hexagonal numbers.
c. Define h, recursively.
d. If p, and t,-1 are nth pentagonal and (n– 1)th triangular numbers, respectively, then prove
directly that p, + tp-1 = hn.
Transcribed Image Text:4. Let n>1. A hexagonal number h, is of the form ha n(2n – 1). a. Determine the first 5 hexagonal numbers. b. Illustrate the first 5 hexagonal numbers. c. Define h, recursively. d. If p, and t,-1 are nth pentagonal and (n– 1)th triangular numbers, respectively, then prove directly that p, + tp-1 = hn.
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