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Popular >

simplify 3/(2+sqrt(5))

Solution

simplify

\frac{3}{2 + 5}

Solution

- 6 + 35

+1

Decimal Notation

0.70820 \dots

Solution steps

\frac{3}{2 + 5}

Multiply by the conjugate

\frac{2 - 5}{2 - 5}

= \frac{3 ( 2 - 5 )}{( 2 + 5 ) ( 2 - 5 )}

Expand

3 (2 - 5) : 6 - 35

Expand

(2 + 5) (2 - 5) : - 1

= \frac{6 - 3 5}{- 1}

\frac{6 - 3 5}{- 1} = - 6 + 35

= - 6 + 35

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Frequently Asked Questions (FAQ)

What is 3/(2+sqrt(5)) ?
The solution to 3/(2+sqrt(5)) is -6+3sqrt(5)