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slamgirl [31]
3 years ago
13

How many roots do the functions have in common? f(x)=x^2-4x-5f(x)=x 2 −4x−5

Mathematics
1 answer:
kakasveta [241]3 years ago
7 0

Answer:

They have both root common .

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Evaluate: <img src="https://tex.z-dn.net/?f=%5Csqrt%5B-3%5D%7B27%7D" id="TexFormula1" title="\sqrt[-3]{27}" alt="\sqrt[-3]{27}"
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1/3 is the simplified form for given expression.

Step-by-step explanation:

Given that:

=\sqrt[-3]{27}

By simplifying:

Radical sign will be removed as follows:

= 27^{-1/3}

For removing the "-" sign from power, base will be inverted:

= (1/27) ^ {1/3}

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= (1/3^3)^{1/3}

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