$\"\"$

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For what values of $\"\"$ , $\"\"$ in the interval $\"\"$ .

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Consider the function $\"\"$ .

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Rewrite the function $\"\"$

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$\"\"$

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$\"\"$

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The general solution for $\"\"$ is $\"\"$ .

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The solution of $\"\"$ is $\"\"$ .

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Substitute $\"\"$

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$\"\"$

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

\

$\"\"$

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Therefore, $\"\"$ for $\"\"$ .

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$\"\"$

\

Find for what values of $\"\"$ , $\"\"$ in the interval $\"\"$ .

\

Consider the function $\"\"$ .

\

Rewrite the function $\"\"$ .

\

$\"\"$

\

$\"\"$

\

The general solution for $\"\"$ is $\"\"$ .

\

The solution of $\"\"$ is $\"\"$ .

\

Substitute $\"\"$ .

\

$\"\"$

\

$\"\"$ .

\

Substitute $\"\"$ .

\

$\"\"$

\

$\"\"$

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Therefore, $\"\"$ for $\"\"$ .

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$\"\"$

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$\"\"$ for $\"\"$ .

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$\"\"$ for $\"\"$ .