Answer:
126
Step-by-step explanation:
Total number of apples = 9
Number of favourite Mathematics lecturers = 5
To find number of ways in which 9 (identical) apples can be given to your 5 favourite Mathematics lecturers, find 
Combination refer to selection of items such that order does not matter.
Use 
Put 

Answer:
sqrt(3)
Step-by-step explanation:
Assuming that you have 3^(1/2), which is the same thing as sqrt(3).