Q is bounded by z = 4 – x² – y², z = 1 and z = 0, (a) F = (z³, x²y, y²z) (b) F = (zeva²+y²+, (x² + y² + z – 4)z sin y, -2xze +y²+z²y
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
I was given the following question, and I'm very confused.
I am going to attach the picture because I don't seem to be able to type in LaTex on here. The picture has questions 13 and 14 on it. I'm stuck on part b of question 14.
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