## Maymien one year ago find dx/dy if X<sup>3</sup> +x tan<sup>-1</sup>(y)=e <sup>y</sup>

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1. myininaya

I can't read this very well.

2. myininaya

what do the sup's mean?

3. myininaya

do you mean x^3+arctan(y)=e^y?

4. Maymien

5. myininaya

Do you know power rule? And I guess we are looking at x as a function of y. $(x^n)'=nx^{n-1} \frac{dx}{dy}$ $(\arctan(x))'=\frac{1}{1+x^2} \cdot \frac{dx}{dy}$ $(e^x)'=e^x \frac{dx}{dy}$ I hope that helps you and your brother get started.

6. Maymien

thank you so much, we will try get started