Question: The circle C has its centre at the point A(2,1). The line, L with equation 4y + 3x +15= 0 is the tangent to
The circle C has its centre at the point A(2,1). The line, L with equation 4y + 3x +15= 0 is the tangent to the circle at the point, P. (i) Show that an equation of the line PA is 4x-3y = 5. (ii) Find the equation of the circle. (iii) The line with equation 4y+3x-k=0, k-15 is also a tangent to C. Find the value of the constant k. (b) Show that the equation x-4x-6y+20=0 represents a parabola and determine the vertex, focus and directrix of the parabola
Step by Step Solution
3.40 Rating (147 Votes )
There are 3 Steps involved in it
Lets solve the problem step by step i Show that an equation of the line PA is 4x 3y 5 The line PA is the line passing through points P and A We can fi... View full answer
Get step-by-step solutions from verified subject matter experts
