What is expand 1/(sqrt(4-x)) ?

The solution to expand 1/(sqrt(4-x)) is (sqrt(4-x))/(4-x)

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expand 1/(sqrt(4-x))

expand

\frac{1}{4 - x}

\frac{4 - x}{4 - x}

Solution steps

\frac{1}{4 - x}

Multiply by the conjugate

\frac{4 - x}{4 - x}

= \frac{1 \cdot 4 - x}{4 - x 4 - x}

1 \cdot 4 - x = 4 - x

4 - x 4 - x = 4 - x

= \frac{4 - x}{4 - x}

(1 - 5 - x) (1 + 5 - x)

(3 + 7)^{3}

\frac{( 6 + i ) x ^{2}}{i}

(x - 4 x + 5) (x + 4 x + 5)

What is expand 1/(sqrt(4-x)) ?
The solution to expand 1/(sqrt(4-x)) is (sqrt(4-x))/(4-x)