If the length of the tangent from (2, 5) to the circle x² + y² − 5x + 4y + k = 0 is √/37, then find k.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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Use the equation length of tangent=(S11)1/2

If the length of the tangent from (2, 5) to the circle x² + y² = 5x + 4y + k = 0 is √√/37,
then find k.
Transcribed Image Text:If the length of the tangent from (2, 5) to the circle x² + y² = 5x + 4y + k = 0 is √√/37, then find k.
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