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VARVARA [1.3K]
3 years ago
14

Since A =

e" class="latex-formula"> - 1 and B = x^{3} - x + 1, compute the opposite of the polynomials:
a) A + B
b) A - B
c) (-A) - B

PLEASE ACCOUNT!
Mathematics
1 answer:
ziro4ka [17]3 years ago
8 0
The answer is correctly b
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Answer:

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Step-by-step explanation:

We have given number of students = 10

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So number of ways to assigned single student =^{10}C_1=\frac{10!}{1!9!}=10\\

Now left student = 10 -1 = 9

So number of ways to assigned double student =^{9}C_2=\frac{9!}{2!7!}=36

Now left student = 9-2 = 7

So number of ways to assigned triple student =^{7}C_3=\frac{7!}{2!4!}==70

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So number of ways to assigned quad student =^{4}C_4=\frac{4!}{4!0!}=1

So total number of ways to select all sstudent to make assignment = 10×36×70×1 = 25200

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