2 years ago

SOLVE, CORRECT WILL RECEIVE BRAINLIEST

Mathematics

1 answer:

mash [69]2 years ago

8 0

The answer is option 4, (-1,2)

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Simplify the complex number. Express your answer in a + bi form and include each step necessary in simplifying.<img src="https:/

insens350 [35]

$\dfrac{x+iy}{u+iv}\times\dfrac{u-iv}{u-iv}=\dfrac{(x+iy)(u-iv)}{u^2-(iv)^2}$
$=\dfrac{xu-i^2yv+iyu-ixv}{u^2+v^2}$
$=\underbrace{\dfrac{xu+yv}{u^2+v^2}}_a+i\underbrace{\dfrac{yu-xv}{u^2+v^2}}_b$

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3 years ago

How do I solve this and please thoroughly explain the steps, please?

Zolol [24]

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2 years ago

Will mark brainliest on the best answer and also explain how you got that answer.

natulia [17]

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i think it's about 20 im not 100 percent sure :/

Step-by-step explanation:

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2 years ago

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Anika [276]

<span>45 x (1.08) x </span>30 = 1458

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3 years ago

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The photo is the question

kakasveta [241]

Multiply 20 by 37. This is 740. Divide this by 2, this is 370. She will donate $370 to charity

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3 years ago