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Quiz

Lesson 1: Counting Principle, Permutations (nPr) and Combinations (nCr) — Picture questions (exam style)

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  • Questions count: 6
  • Passing grade: 60%
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1.
In the expansion shown, what is the coefficient of x2?
In the expansion shown, what is the coefficient of x^2?
6
-54
54
-108
2.
In the expansion shown, what is the coefficient of x2?
In the expansion shown, what is the coefficient of x^2?
22
21
18
42
3.
In the expansion shown, what is the coefficient of x1?
In the expansion shown, what is the coefficient of x^1?
16
64
-64
4
4.
In the expansion shown, what is the coefficient of x2?
In the expansion shown, what is the coefficient of x^2?
-20412
28
17496
20412
5.
In the expansion shown, what is the coefficient of x8?
In the expansion shown, what is the coefficient of x^8?
9
27
-27
324
6.
In the expansion shown, what is the coefficient of x3?
In the expansion shown, what is the coefficient of x^3?
53
112
56
57
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