# Equation of a Tangent Line

Find the equation of the line tangent at the point (4,1).

Given: sqrt(y) + x(y^2) =5

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#### Solution Preview

Write the equation into:

xy^2 = 5 - y^1/2

note: "^" means to the power ...

#### Solution Summary

The equation of line tangential to a curve at a given point is found.

$2.49