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simply 3 (sqrt(c^2)) if c is > or equal to 0I can upload a picture

Sagot :

Recall that:

[tex]\begin{gathered} \text{For all x}\in\R \\ \sqrt[]{x^2}=|x|\text{.} \end{gathered}[/tex]

Therefore:

[tex]3\sqrt[]{c^2}=3|c|\text{.}[/tex]

Now, since c≥0, we get that:

[tex]|c|=c\text{.}[/tex]

Substituting the above result in 3|c| we get:

[tex]3\sqrt[]{c^2}=3c\text{.}[/tex]

Answer:

[tex]3c\text{.}[/tex]

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