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Given a set of digits (1, 2, 3, 4, 5, 6, 7, 8, 9} Nine-digit numbers are to be formed without repitition. Find number of ways of getting the even digits appear in either ascending or descending order.
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Given a set of digits (1, 2, 3, 4, 5, 6, 7, 8, 9}

Nine-digit numbers are to be formed without
repitition. Find number of ways of getting
the even digits appear in either ascending
or descending order. (3m)​

User Kehinde
by
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1 Answer

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Answer:the attached file shows the solution

Given a set of digits (1, 2, 3, 4, 5, 6, 7, 8, 9} Nine-digit numbers are to be formed-example-1
User Marcelo Glasberg
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