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Serjik [45]
3 years ago
10

What is the index of ⁴√81​

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
3 0

Answer:

8

HOPING MAKATULONG PO!,KEEP SMILLING GOD LOVES YOU:)!

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What does the symbol for factorial function (n) mean
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Answer:

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3 0
3 years ago
Show all work and reasoning
Natalija [7]
Split up the interval [2, 5] into n equally spaced subintervals, then consider the value of f(x) at the right endpoint of each subinterval.

The length of the interval is 5-2=3, so the length of each subinterval would be \dfrac3n. This means the first rectangle's height would be taken to be x^2 when x=2+\dfrac3n, so that the height is \left(2+\dfrac3n\right)^2, and its base would have length \dfrac{3k}n. So the area under x^2 over the first subinterval is \left(2+\dfrac3n\right)^2\dfrac3n.

Continuing in this fashion, the area under x^2 over the kth subinterval is approximated by \left(2+\dfrac{3k}n\right)^2\dfrac{3k}n, and so the Riemann approximation to the definite integral is

\displaystyle\sum_{k=1}^n\left(2+\frac{3k}n\right)^2\frac{3k}n

and its value is given exactly by taking n\to\infty. So the answer is D (and the value of the integral is exactly 39).
8 0
3 years ago
Factor completely 2x^3y^4-8x^2y^3+6xy^2
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Step-by-step explanation:

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2xy^2(x^2y^2 -4xy+3)

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-3* -1 = 3     -3+-1 =-4

2 x y^2 (x y - 1) (x y - 3)

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Answer:

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Step-by-step explanation:

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