Question

Find dy/dx, if x2 + y2 = 25
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Answer 1

Answer:

x/y

Step-by-step explanation:

$x²+y²=25 \\ Differentiating \: on \: both \: sides \: with \: respect \: to \: x, \: we \: get, \\ 2x+2y \frac{dy}{dx} = 0 \\ \frac{dy}{dx} = \frac{ - 2x}{2y} \\= \frac{ - x}{y}$