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Mrs. Smith's music class has 11 students. (a) Mrs. Smith wants three of the students in the class to form a trio and play a song for the rest of the class. If any of the students can be selected, how many different trios are possible? (b) Later, Mrs. Smith needs four of the students in the class to form a quartet to work on an upcoming performance. If any of the students can be selected, how many different quartets are possible?

Mrs. Smith's music class has 11 students. (a) Mrs. Smith wants three of the students in the class to form a trio and play a song for the rest of the class. If any of the students can be selected, how many different trios are possible? (b) Later, Mrs. Smith needs four of the students in the class to form a quartet to work on an upcoming performance. If any of the students can be selected, how many different quartets are possible?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Mrs. Smith's music class has 11 students. (a) Mrs. Smith wants three of the students in the class to form a trio and play a song for the rest of the class. If any of the students can be selected, how many different trios are possible? (b) Later, Mrs. Smith needs four of the students in the class to form a quartet to work on an upcoming performance. If any of the students can be selected, how many different quartets are possible?
Transcribed Image Text:Mrs. Smith's music class has 11 students. (a) Mrs. Smith wants three of the students in the class to form a trio and play a song for the rest of the class. If any of the students can be selected, how many different trios are possible? (b) Later, Mrs. Smith needs four of the students in the class to form a quartet to work on an upcoming performance. If any of the students can be selected, how many different quartets are possible?
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