Find an equation of the tangent line to the at the given point (1,1)
y= squareroot( x)
What I tried to do:
Lim f(x) - (a) -> lim square root (x) - (1)
x->a x-a x->1 (x)-1
I don't know what to do because there is an answer, and what I tried to do makes it 0/0 which is bad.