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KengaRu [80]
3 years ago
6

If y⁻⁴ = 256 then y will be

Mathematics
1 answer:
kvasek [131]3 years ago
4 0

Answer:

y = 1/4

Step-by-step explanation:

y⁻⁴ = 256

(1/y)⁴ = 256

y⁴ = 1/256

y =  ⁴√1/256

y = 1/4

Thus, The value of y is 1/4

-<u>TheUnknownScientist</u>

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Which expression is a cube root of -1+i√3?
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Answer:

<em>The correct option is C.</em>

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<u>Root Of Complex Numbers</u>

If a complex number is expressed in polar form as

Z=(r,\theta)

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\displaystyle Z_1=\left(\sqrt[3]{r},\frac{\theta}{3}\right)

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\displaystyle Z_3=\left(\sqrt[3]{r},\frac{\theta}{3}+240^o\right)

We are given the complex number in rectangular components

Z=-1+i\sqrt{3}

Converting to polar form

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Its cubic roots are

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Converting the first solution to rectangular coordinates

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\sqrt[5]{t^3}

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