1. Haniemay wants to try all the 23 dishes and 6 desserts in offered in PUP lagoon but she is limited to 1 meal/dessert per day fortunately. How many days would It take for her to try every meal/dessert in PUP lagoon? 2. How many passwords can a 3-digit numeric (0-9) produce? 3. In a sportsfest consisting of 40 males and 20 female members, if they were to pick 1 team leader, how many ways are there to choose a single team leader? 4. If there were 2 team leaders are to be chosen, how many male & female pairs are possible 5. If there were 2 team leaders are to be chosen again but this time there should be always 1 male team leader, how many mixed pairs are possible?

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A: To find the element A3,2  of the given matrix A.

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A: We find commuting product of multiplication of -  (a+b) (b+C).

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A:

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A: Answer is following.

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A:

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A: Given,

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A: finding determinant of matrix along first column

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A: