Find the equation of the tangent to the curve
(iv)`y^2 = 4x +5at (1,3)`

Find the equation of the tangent to the curve (i) y = x logx +1at(1,1)

Find the equation of the tangent to the curve v) x^2+xy+y^2 = 3at(1,1)

Find the equation of the tangent to the curve (ii) x^2 +5y^2 = 9at (2,-1)

Find the equation of the tangent to the curve y=x log_e x + 2 at the point (1, 2).

Find the equation of the tanget to the parabola (i) y^2 = 4x which is parllel to 2x + y + 3 = 0

Find the equation of the tangent to be curve y=f(x) at (x_(0),y_(0)) , if (dy)/(dx) does not exist at this point.

Find the equation of the tangents to the circle x ^2 + y ^2 - 2x - 4y - 4 = 0 which are perpendicular to the line 3x - 4y - 1 = 0

Find the equation of the tangent line to the curve y = x^2-2x+7 which is parallel to the 2x -y +9 = 0

Find the equation of the normal to the curve y^2= 16x at the point (4,8).