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navik [9.2K]
2 years ago
15

If x^2 + 1/x^2 = 7 , find the value of x^3 + 1/x^3 and x^4 + 1/x^4

Mathematics
1 answer:
Maksim231197 [3]2 years ago
7 0

Answer:

pls show me the question

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You are a delivery manager at MN Company, a wholesale lollipop. The
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For the new expectation, 3 drivers and 2 vans are needed.

To determine, for the new expectation, how many drivers and vans do you need, the following calculation must be performed:

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Therefore, for the new expectation, 3 drivers and 2 vans are needed.

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3 0
2 years ago
F(x)=(5x+3)(x−2)(3x+7)(x+5) has zeros at x = -5, x = -7/3, x = 2
musickatia [10]

The sign of f on the interval -7/3 < x < -3/5 is always positive.

<h3>How to solve for the sign on the interval</h3>

We have the equation

(5x+3)(x−2)(3x+7)(x+5) > 0

Now when f(x) > 0

Then -7/3 < x < -3/5

This would tell us that the sign would become positive when it changes from the less than to greater than sign

<h3>Complete Question</h3>

f(x)=(5x+3)(x-2)(3x+7)(x+5) has zeros at x=-5, x=-7/3, x=-3/5, and x=2

What is the sign of f on the interval -7/3<x<-3/5?

answer choices

f is always positive on the interval

f is always negative on the interval

f is sometimes positive and sometimes negative on the interval

f is never positive or negative on the interval

Read more on polynomials here:

brainly.com/question/2833285

#SPJ1

5 0
2 years ago
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