Choose the correct definition of (n/k) from below
2 answers:
Answer:
Option D is correct ,
Step-by-step explanation:
A combination is a collection of items where the order does not matter, in order to calculate the total outcomes of an event. It is denoted by C(n,k) or (n,k) or (n/k).
The formula or the correct definition of (n/k) from below options is given by:
C(n,k) = (n/k) =
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Answer:
65.56°
Step-by-step explanation:
We know that if we take dot product of two vectors then it is equal to the product of magnitudes of the vectors and cosine of the angle between them
That is let p and q be any two vectors and A be the angle between them
So, p·q=|p|*|q|*cosA
⇒
Given u=-8i-3j and v=-8i+8j
let A be angle before u and v
therefore,
⇒
Therefore angle between u and v is 65.56°
Step-by-step explanation:
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