What is the value of 7P3 ? A. 21 B. 35 C. 210 D. 840
i think a but idk
2 answers:
The answer is C. Here's why, nPr = n!/(n-r)!. Plug in 7 for n and 3 for r. And you get 7!/(7-3)!. Thus, 7!/4! = (7*6*5*4*3*2*1)/(4*3*2*1), which simplifies to 7*6*5 = 210
Answer
Option (c) is correct
The value of
Step-by-step explanation:
Given :
We have to find the value of
Consider
Permutation is defined as number of possibilities for choosing an ordered set of r objects from a total of n objects.
put n = 7 and r = 3
We have,
Simplify, we have
Thus, The value of
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