3 years ago

Find the roots of x^4-6x^2+8

Mathematics

1 answer:

slavikrds [6]3 years ago

8 0

In my Knowledge

x^4-6x^2+8=0

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3 years ago

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T-2b+c=16n solve for c

valina [46]

Answer:

I used my calculator and it says c=16n-t+2b

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4 years ago

Please help me out and explain it to me

a_sh-v [17]

Answer: C

Step-by-step explanation:

You can solve this by first multiplying both sides of the fraction by the conjugate of the denominator.

In this case, the conjugate is (8 - 2i).

So:

$\frac{3-5i}{8+2i} *\frac{8-2i}{8-2i}$

Simplify:

$\frac{24-46i+10i^2}{64 - 4i^2}$

Simplify again, knowing that i^2 = -1

$\frac{14 -46i}{68}$

Then, divide both numbers in the numerator by 68 to get your answer.

$\frac{7}{34} -\frac{23i}{34}$

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4 years ago

What is the reminder when (3x^3-2x^2+4x-3) is divided by (x^2+3x+3)

NARA [144]

(For full answer you might have to go to the comments)

Answer: 28x+30

Explanation: we divide (3x^3-2x^2+4x-3) by (x^2+3x+3) Using long division
3x-11
___________________
(x^2+3x+3) 3x^3-2x^2+4x-3

-(3x^3+9x^2+9x)
__________________

-11x^2-5x-3

-(-11x^2-33x-33)
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28x+30

So our remainder will be 28x+30

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3 years ago

Drag and drop the correct surface area to match the cube. cube with edge length = 3.2 m 12.8 m²19.2 m²51.2 m²61.44 m²

Ira Lisetskai [31]

- Surface Area of a Cube = 6(L)²
- Surface Area of this cube = 6(3.2)²
= 61.44 m²

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4 years ago