$\"\"$

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The function is $\"\"$ .

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Rewrite the function as $\"\"$ .

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Apply derivative on each side with respect to $\"\"$ .

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$\"\"$

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$\"\"$

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Apply power rule of differentiation: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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Slope of the tangent at point is the derivative of the function at that point.

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The derivative of the function at $\"\"$ .

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Substitute $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$ .

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Slope of the tangent at point $\"\"$ is $\"\"$ .

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$\"\"$

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Slope of the tangent at point $\"\"$ is $\"\"$ .