Problem 85a

Given information

Given :- The curve 

to find : -Show that C has two tangents at the point (3,0) and find their equations .  

Step-by-step explanation

Consider the equation , 

differentiate on both sides , 

Now, the slope is 

Find the value of the parameter t at the point (3,0)

At x=3, 

At y=0 ,

 .