Question

I want to know the solving process

Answer 1

Step-by-step explanation:

y²=12x

2y.y'=12

y.y'=6

put y=4

y'=6/4=3/2 m1

16/12=x (y²=12x,y =4)

4/3=m2

angle between 2 tangents

tan theta=m1+m2/1+m1m2

put the values