Recent content by rshen5

why is the slope (-1/3) not -3? so does that mean in vector forms they will be: a = (-1/3 , 1) b= (1,1)

Homework Statement Find the angles between the tangents to y=-3e^-x and y=2+e^x at their poit of intersection Homework Equations y=-3e^-x and y=2+e^x The Attempt at a Solution i tried to find the point at which they intersect: y=-3e^-x =2+e^x where i got x=ln 1 then i tried...

Thank you thank you ~~ gee that was easy.. (what was i thinking) but does anyone know how they actually got the equation? just curious :-p

well.. i know I am completely wrong, cause i don't even know what "I" is..

you have any idea where the 8 came from ?

Homework Statement Homework Equations The Attempt at a Solution i have no idea how to start