Question

Rationalize the denominator 1 upon 2 root 5 minus root 3

Answer 1

1/2√5-√3.....to rationalize......

then

1. 2√5+√3

________ X __________

2√5-√3. 2√5+√3

$\large{</strong><strong>multipliyng</strong><strong>}$

2√5+√3

________

(2√5)sq-(√3)sq

$\large{</strong><strong>(</strong><strong>a</strong><strong>+</strong><strong>b</strong><strong>)</strong><strong>(</strong><strong>a-b</strong><strong>)</strong><strong>=</strong><strong>asq-bsq</strong><strong>}$

2√5+√3

________

20-3

2√5-√3

________

17

$\large{</strong><strong>vergil</strong><strong>}$

Answer 2

Answer:

1/2√5-√3 ×2√5 +root3/2√5+√3

2√5+√3 /(2√5)^-(√3)^

2√5+√3/20-3

2√5+√3/7