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4th Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781337687805

Chapter B, Problem 48E

To determine

**To calculate: **To find the focus and directrix of the parabola

Expert Solution

The focus of parabola is

**Given information: **Equation of parabola is

**Formula Used:**

Parabola is a set of points in the plane that are equidistant from a fixed point

**Calculation:**

Equation of parabola is given as

Comparing the equation withthe standard equation of parabola

On solving,

Thus,

Focus of parabola is

On sketching the parabola,

**Conclusion:**

Hence, focus of parabola is