Question

Write the equation of the tangent line to the curve y=x^3-8x+4 normal to x+4y+14=0

Answer 1

the equation of the tangent of the to curve y = x^3 + 8x + 4 is the firs derivative of the given eqution

y = x^3 + 8x + 4

dy / dx = 3x^2 + 8 is the equation of the tangent line