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96

Step-by-step Answer
PAGE: 769SET: ExercisesPROBLEM: 96
Please look in your text book for this problem Statement

The equation is at the point .

The system of equations are .

Substitute in .

The equation is in the form of quadratic equation.

The general form of quadratic equation is .

Here , and .

There is one solution to the quadratic if the discriminant equals to .

Substitute corresponding values.

.

The tangent line passes through the point .

Substitute in .

.

Substitute in .

.

Substitute and in .

.

Therefore, the line equation is .

The line equation is .



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