Porisma

A hint to get started

Eliminate a positive parameter and retain closed endpoints

The curve CC is defined by x=t2x=t^2, y=ln⁡ty=\ln t, t>0t>0.

(i) Sketch CC for 2≤x≤52\le x\le5, indicating the coordinates of the endpoints. marks

(ii) Find the cartesian equation of CC. marks

[2009/ACJC/II/3(modified)]

CJC · Review problems · Question 2

Use the positive root because the logarithm requires a positive parameter.

Read the worked solution