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Tentukan persamaan garis singgung lingkaran x2 + y2 + 4x – 6y – 7 = 0 yang

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Tentukan persamaan garis singgung lingkaran x2 + y2 + 4x – 6y – 7 = 0 yang:

a.     sejajar garis 3x – 4y + 5 = 0

b.     tegak lurus garis 2x + y – 4 = 0

Jawab:

x2 + y2 + 4x – 6y – 7 = 0

(x + 2)2 + (y – 3)2 = 40

r = √20 = 2√5


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2 comments for "Tentukan persamaan garis singgung lingkaran x2 + y2 + 4x – 6y – 7 = 0 yang"

Unknown February 28, 2022 at 8:28 PM Delete Comment
Itu bisa dapat 40 bagaimana caranya
Egi Suryana March 23, 2022 at 2:48 PM Delete Comment
This comment has been removed by the author.