What is expand (5(3-sqrt(13)))/4 ?

The solution to expand (5(3-sqrt(13)))/4 is 15/4-(5sqrt(13))/4

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expand (5(3-sqrt(13)))/4

expand

\frac{5 ( 3 - 13 )}{4}

\frac{15}{4} - \frac{5 13}{4}

Solution steps

\frac{5 ( 3 - 13 )}{4}

Expand

5 (3 - 13) : 15 - 513

= \frac{15 - 5 13}{4}

Apply the fraction rule:

\frac{a \pm b}{c} = \frac{a}{c} \pm \frac{b}{c}

\frac{15 - 5 13}{4} = \frac{15}{4} - \frac{5 13}{4}

= \frac{15}{4} - \frac{5 13}{4}

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\frac{5}{2} cos (\frac{1}{2}) (x + \frac{π}{2})

What is expand (5(3-sqrt(13)))/4 ?
The solution to expand (5(3-sqrt(13)))/4 is 15/4-(5sqrt(13))/4