I assume you mean [2 + sqrt(5)]/[2 - sqrt(5)]
Multiply the fraction by [2 + sqrt(5)]...you o the multiplication!
Helana B.
asked • 11/06/18How can you write the expression with a rationalized denominator? 2 + sqrt 5 / 2 - sqrt 5 A. -1 B. 1 C. 9 + 4 sqrt 5 D. -9 - 4 sqrt 5
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