Solution: Find the value of k for which the equation x^2 + y^2 + 4x – 2y – k = 0

Find the value of k for which the equation x^2 + y^2 + 4x – 2y – k = 0 represents a point circle.

Find the value of k for which the equation x^2 + y^2 + 4x – 2y – k = 0 represents a point circle.

Problem Statement: ECE Board April 1998

Find the value of k for which the equation x^2 + y^2 + 4x – 2y – k = 0 represents a point circle.

Problem Answer:

The value of k is equal to -5.

Solution:

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