Question

1. 2√5 + √5 is equal to
2. ( 3 + √3 ) ( 3 - √3 ) is equal to
3. 6√5 - 2√5 is equal to
4. 2.345 lies between
5. Simplest rationalization factor for the denominator of the expression 1/(√5-2) is
(no need of briefing just one word answer pls)

Answer 1

Answer:

1. 2√5 + √5 = 3√5

2. (3+√3)(3-√3)=6

3. 6√5-2√5=4√5

4.2.344 and 2.346

5. Ans is 1