1003099509 | math4u.vsb.cz

SubArea:

Expressions with exponents and radicals

Level:

Project ID:

1003099509

Accepted:

1

Clonable:

0

Easy:

0

Given the numbers

x = 4 + 2 \sqrt{5}

and

y = 6 - 2 \sqrt{5}

, the fraction

\frac{x}{y}

can be written in the form:

\frac{11 + 5 \sqrt{5}}{4}

\frac{7 \sqrt{5} - 9}{4}

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

8 \sqrt{5}