se symmetric equations to find a convenient vector V12 that lies between any two points, one on each line. Again, this can be done directly from the symmetric equations. 4. The dot product of two vectors is the maguitude of the projection of
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.
Wondering if you could help me with #4. Attached is my work for the previous questions because it looks like this set of questions build on themselves.
Thanks in advance!
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