What is the derivative of (|x-1|/(|x-3|)) ?

The derivative of (|x-1|/(|x-3|)) is -(2(x-1))/(|x-1||x-3|(x-3))

What is the first derivative of (|x-1|/(|x-3|)) ?

The first derivative of (|x-1|/(|x-3|)) is -(2(x-1))/(|x-1||x-3|(x-3))

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\frac{d}{d x} (\frac{∣ x - 1 ∣}{∣ x - 3 ∣})

- \frac{2 ( x - 1 )}{∣ x - 1 ∣ ∣ x - 3 ∣ ( x - 3 )}

Solution steps

\frac{d}{d x} (\frac{∣ x - 1 ∣}{∣ x - 3 ∣})

Apply the Quotient Rule:

(\frac{f}{g})^{'} = \frac{f ^{'} \cdot g - g ^{'} \cdot f}{g ^{2}}

= \frac{\frac{d}{d x} ( ∣ x - 1 ∣ ) ∣ x - 3 ∣ - \frac{d}{d x} ( ∣ x - 3 ∣ ) ∣ x - 1 ∣}{∣ x - 3 ∣ ^{2}}

\frac{d}{d x} (∣ x - 1 ∣) = \frac{x - 1}{∣ x - 1 ∣}

\frac{d}{d x} (∣ x - 3 ∣) = \frac{x - 3}{∣ x - 3 ∣}

= \frac{\frac{x - 1}{∣ x - 1 ∣} ∣ x - 3 ∣ - \frac{x - 3}{∣ x - 3 ∣} ∣ x - 1 ∣}{∣ x - 3 ∣ ^{2}}

Simplify

\frac{\frac{x - 1}{∣ x - 1 ∣} ∣ x - 3 ∣ - \frac{x - 3}{∣ x - 3 ∣} ∣ x - 1 ∣}{∣ x - 3 ∣ ^{2}} : - \frac{2 ( x - 1 )}{∣ x - 1 ∣ ∣ x - 3 ∣ ( x - 3 )}

= - \frac{2 ( x - 1 )}{∣ x - 1 ∣ ∣ x - 3 ∣ ( x - 3 )}

What is the derivative of (|x-1|/(|x-3|)) ?
The derivative of (|x-1|/(|x-3|)) is -(2(x-1))/(|x-1||x-3|(x-3))
What is the first derivative of (|x-1|/(|x-3|)) ?
The first derivative of (|x-1|/(|x-3|)) is -(2(x-1))/(|x-1||x-3|(x-3))