# Use this equation to find dy/dx. 7y cos(x) = x^{2} + y^{2}

**Solution:**

Given 7ycosx = x^{2} + y^{2}

The above equation is an implicit function

The implicit function is defined as a function where one cannot write as y in terms of x

In order to solve, we can use implicit differentiation

dy/dx = (2x + ysinx) / (7cosx - 2y)

Therefore, the derivative of given function is dy/dx = (2x + ysinx) / (7cosx - 2y)

## Use this equation to find dy/dx. 7y cos(x) = x^{2} + y^{2}

**Summary:**

The value of dy/dx of 7y cos(x) = x^{2} + y^{2} is (2x + ysinx) / (7cosx - 2y)

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