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Naily [24]
3 years ago
8

What is this answer pls

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

Answer:

12

Step-by-step explanation:

easy lean and youll know

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P(x) = x3 - 2x2 + 2x<br> What are the real and complex zeros of the equation
vesna_86 [32]

Given:

The polynomial is

p(x)=x^3-2x^2+2x

To find:

The real and complex zeros of the equation.

Solution:

We have,

p(x)=x^3-2x^2+2x

For zeros, p(x)=0.

x^3-2x^2+2x=0

x(x^2-2x+2)=0

x(x^2-2x+2)=0

x=0\text{ and }x^2-2x+2=0

The real value of x is 0. The equation x^2-2x+2=0 will give complex roots. Here, a=1, b=-2 and c=2.

Using quadratic formula, we get

x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}

x=\dfrac{-(-2)\pm \sqrt{(-2)^2-4(1)(2)}}{2(1)}

x=\dfrac{2\pm \sqrt{4-8}}{2}

x=\dfrac{2\pm \sqrt{-4}}{2}

On further simplification, we get

x=\dfrac{2\pm \sqrt{-1}\sqrt{4}}{2}

x=\dfrac{2\pm 2i}{2}

x=\dfrac{2(1\pm i)}{2}

x=1\pm i

Therefore, the real zero is 0 and the complex zeros are 1+i and 1-i.

5 0
3 years ago
A fitness club wants to set up stations for four different workouts around the shelves of free weights in the middle of the room
Pavel [41]

Answer:

2.5ft

3ft

4ft

5ft

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
7m-q=23 it needs to be translated into a sentence.
dexar [7]

Step-by-step explanation:

→ 7m – q = 23

  • q subtracted from 7 times m is equivalent to 23.
3 0
3 years ago
4x^2+2x-1=0 in quaratic equations
Viktor [21]

Answer:

Step-by-step explanation:

"quaratic" should be "quadratic."

The coefficients of this quadratic are 4, 2 and -1.  Thus, the discriminant is

b^2 - 4ac, or here, 4 - 4(4)(-1) = 20

Since the discriminant is positive, our quadratic has two real, different roots.

                                -2 ± (√4)(√5)

The roots are:  x = ---------------------

                                       2(4)

                                    -1 ± √5

This reduces to   x = ---------------

                                           8

5 0
3 years ago
A rectangular play ground has an area of 3.392 square meters if the width of the rectangle is 32 meters find the length
STALIN [3.7K]
Divide 3.392 by 32 =.106 is the length because width X length = area
8 0
4 years ago
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