Find-tangent-equation-of-two-circles-L-1-x-5-2-y-1-2-9-L-2-x-4-2-y-11-2-144-

Question Number 173677 by naka3546 last updated on 16/Jul/22

Find tangent equation of

two circles :

L_{1} : {(x - 5)}^{2} + {(y + 1)}^{2} = 9

L_{2} : {(x + 4)}^{2} + {(y - 11)}^{2} = 144

Commented by kaivan.ahmadi last updated on 16/Jul/22

L_{1} : x^{2} + y^{2} - 10 x + 2 y = - 17

L_{2} : x^{2} + y^{2} + 8 x - 22 y = 7

L_{1} - L_{2} : - 18 x + 24 y = - 24

y = \frac{3}{4} x - 1

Commented by naka3546 last updated on 16/Jul/22

Thank you, sir .