The line y = k 3x is a tangent to the curve x 2 + 2xy
Question:
The line y = k − 3x is a tangent to the curve x2 + 2xy − 20 = 0.
a. Find the possible values of k.
b. For each of these values of k, find the coordinates of the point of contact of the tangent with the curve.
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We are given that the line y k 3x is a tangent to the curve x2 2xy 20 0 a To find the possible v...View the full answer
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Related Book For 
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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