The circle C has its centre at the point A(2,1). The line, L with equation 4y...
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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 x²-4x-6y+20=0 represents a parabola and determine the vertex, focus and directrix of the parabola 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 x²-4x-6y+20=0 represents a parabola and determine the vertex, focus and directrix of the parabola
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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 find the equation of this line by calculating its sl... View the full answer
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
Posted Date:
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