Question

1. Is the number (3 - √7) (3 + √7) rational or irrational.

2. Find the irrational numbers between 1

7

2

7

.

3. Find six rational numbers between :-

(i) 3 and 4 (ii) 5

7

6

7

(iii) 4

9

4

11

(iv) 1

6

1

3

4. Location of √3 on the number line.

5. Simplify :- (i) (3√5 − 5√2) (4√5 + 3√2

(ii) 4√81 − 8√216 3 + 15√32 5 + √225

6. Divide 12√15 4

8√3

3

7. Simplify :-

2+√3

2−√3

−

2−√3

2+√3

8. Simplify by rationalizing the denominator :4√3+5√2

√48+√18

9. Simplify :[9 (64

1

3 + 125

1

3)

3

]

1

4

10. If 2

5 ÷ 2

= 5√2

20 ​

Answer 1

Answer:

question 1.

Step-by-step explanation:

this is an exampler ques. similar to yours ques. so just replace some values and your quest. will be solved