What is the first derivative of 1-2xy ?

The first derivative of 1-2xy is -2y

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derivative of 1-2xy

derivative of

1 - 2 x y

- 2 y

Solution steps

\frac{d}{d x} (1 - 2 x y)

Treat

y

as a constant

Apply the Sum/Difference Rule:

(f \pm g)^{'} = f^{'} \pm g^{'}

= \frac{d}{d x} (1) - \frac{d}{d x} (2 x y)

\frac{d}{d x} (1) = 0

\frac{d}{d x} (2 x y) = 2 y

= 0 - 2 y

Simplify

= - 2 y

\frac{d}{d t} (20 + 5 t)

3 x^{2} y

\frac{1}{a ^{x}}

e^{2} x + 1

f (x) = \frac{( x ^{2} + x )}{( 2 x - 1 )}