4. Bijections and Permutations: a. Let T 783591462 in one-line notation. Give two-line notation and cycle notation. Then its inverse, square, eighth and ninth powers. Show also t r= id. b. Show that if f: A-> B is a bijection then |A| = |B| %3D

Q: coshs

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Q: find a if A=8a

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Q: an

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A: Topic = Algebra

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