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2 years ago

The equation whose roots are multiplied by 3 of those of 2x^2 + 3x – 1=0 is

Mathematics

1 answer:

Hoochie [10]2 years ago

5 0

Answer:

I have got the answer

Step-by-step explanation:

Let the roots of 2x² + 3x - 1 = 0 be a and

To find:

The quadratic equation whose roots are 3a

Solution:

See picture attahed

The rest of explanation is given in your previously asked question see there I have also answered it

PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT PLEASE

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3 years ago

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Y + 0.4= 2 Help me please PLEASE

Dmitry [639]

Answer:

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3 years ago

What is vaule of y when x=4'5

Degger [83]

Answer:

$y = 2.096$ or $y = \frac{2\sqrt5+6}{5}}$

Step-by-step explanation:

Given

$y = \frac{4}{x} + \sqrt x + 0.2 - 5x$

$x = \frac{4}{5}$

Required

Find y

$y = \frac{4}{x} + \sqrt x + 0.2 - 5x$

Substitute $x = \frac{4}{5}$

$y = \frac{4}{4/5} + \sqrt{4/5} + 0.2 - 5 * 4/5$

$y = 5 + \sqrt{4/5} + 0.2 - 4$

Collect like terms

$y = \sqrt{4/5} + 5 + 0.2 - 4$

$y = \sqrt{\frac{4}{5}} + 1.2$

Split the surd

$y = \frac{\sqrt4}{\sqrt5}} + 1.2$

$y = \frac{2}{\sqrt5}} + 1.2$

Rationalize

$y = \frac{2\sqrt5}{\sqrt5*\sqrt5}} + 1.2$

$y = \frac{2\sqrt5}{5}} + 1.2$

Take LCM and add

$y = \frac{2\sqrt5+1.2*5}{5}}$

$y = \frac{2\sqrt5+6}{5}}$

or solve as:

$y = \frac{2*2.24+6}{5}}$

$y = \frac{10.48}{5}$

$y = 2.096$

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3 years ago

Jasmine wants to use her savings of $1128 to buy video games and music CDs. The total price of the music CDs she bought was $72.

emmainna [20.7K]

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Hope this helps,

♥A.W.E.S.W.A.N.♥

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3 years ago

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the area of malcolm's room is 160 square feet. The length of his room is 16 feet. What is the width of his room? What is perimet

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10, you divide the area by its length to get the width.

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3 years ago

The equation whose roots are multiplied by 3 of those of 2x^2 + 3x – 1=0 is​

The equation whose roots are multiplied by 3 of those of 2x^2 + 3x – 1=0 is