A Aron New Member Joined Aug 2, 2013 Messages 21 Gender Male HSC N/A Nov 14, 2013 #1 Challenge Question 20 Find the point of intersection between the tangents to the curve y=x^3-2x^2-5x+3 at the points where x=2 and x=-1. Answer -4,73 Thanks!
Challenge Question 20 Find the point of intersection between the tangents to the curve y=x^3-2x^2-5x+3 at the points where x=2 and x=-1. Answer -4,73 Thanks!
rumbleroar Survivor of the HSC Joined Nov 30, 2011 Messages 2,271 Gender Female HSC 2014 Nov 14, 2013 #2 Differentiate y to find the gradient at any point. Sub in x = -1, 2 the derivative to find gradients at those points Find the y value of x and derive the equation of the lines Simultaneously solve Sent from my iPhone using Tapatalk
Differentiate y to find the gradient at any point. Sub in x = -1, 2 the derivative to find gradients at those points Find the y value of x and derive the equation of the lines Simultaneously solve Sent from my iPhone using Tapatalk
