Vrijeme: 04:15

Koja skica? | Sketch, whaaat? #4

Dane su kružnice x^2 + y^2 - 8x - 12y +43=0 i x^2+y^2-18x-6y+89=0. Koja je nultočka njihove radikalne osi?
The circles x^2 + y^2 - 8x - 12y +43=0 and x^2+y^2-18x-6y+89=0 are given. What is the zero of their radical axis?