The Curve with the Equation $x^{2 / 3}+y^{2 / 3}=4$ Is Called an Asteroid

Short Answer

The curve with the equation $x^{2 / 3}+y^{2 / 3}=4$ is called an asteroid. Find an equation of the tangent to the curve at the point ( $3 \sqrt{3}$ , 1).