#### 2√3 + √3 is equal to

(a) 2√6

(b) 6

(c) 3√3

(d) 4√6

**Solution:**

2√3 + √3

= 3√3 option (c) is correct

#### The value of √8 + √18 is

(a) √26

(b) 2 (√2 + √3)

(c) 5√2

(d) 6√2

**Solution:**

(c) 5√2 is correct

Hint : √8 + √18

= √2 ×√4 + √2 × √9

= √2 (2+3)

= 5√2

**More Solutions:**

- Express the following numbers in the form p/q.
- Classify the following numbers as rational or irrational:
- what can you say about the prime factors of q?
- Insert an irrational number between the following.
- Insert two irrational numbers between 2 and 3.
- Find one rational number between √2 and √3.
- Insert irrational numbers between √5 and √7.
- Simplify the following: (i) √45 – 3√20 + 4√5
- Simplify the following: (i) (5 + √7) (2 + √5).