Question

Rationalize the denominator
2 root under 5+root under 3/ root under 5-root under 3

Answer 1

Answer:

2√5+√3/√5-√3

2√5+√3(√5+√3)/(√5-√3)(√5+√3)

USING (a-b)(a+b)=a²-b²

10+2√6+√15+3/(√5)²-(√3)²

13+2√6+√15/5-3

13+2√6+√15/2

Answer 2

Answer:

2 root under 5+root under 3/root under 5- root under 3= 10 root 16+3root 15/2 is the answer.