Questions
Equation of the circle which touches and passes through and , is
a
x2+y2−94x+18y+55=0
b
15x2+15y2−94x+18y+55=0
c
15x2+15y2+94x+18y+55=0
d
x2+y2−94x−18y+55=0
detailed solution
Correct option is B
Clearly, circle 15x2+15y2- 94x+18y+55=0 passes through (1,-2)and (4,-3) . Also, it touches 3x+4y=7.Talk to our academic expert!
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The area of the quadrilateral formed by the tangents from the point (2, -1) to the circle
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