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4th Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781337687805

Chapter B, Problem 50E

To determine

**To calculate: **To find the foci of the ellipse

Expert Solution

The foci of ellipse are

**Given information: **Equation of ellipse is

**Formula Used:**

Standard equation of ellipse is

where

Foci of above ellipse is

**Calculation:**

Equation of ellipse is given as

Rewrite the equation as follows:

On comparing the equation with standard equation of ellipse,

Value of

Thus, foci of ellipse are

On sketching the ellipse:

**Conclusion:**

Hence, foci of ellipse are