Category: Number Systems

2. Find: (i) (9^{3over 2}) (ii) (32^{2over 5}) (iii) (16^{3over 4})    (iv) (125^{-1over 3}) Number Systems Exercise

1. Find: (i) (64^{1over 2}) (ii) (32^{1over 5})                     

5. Rationalise the denominators of the following: (i) (1over{sqrt 7}) (ii) (1over{sqrt 7-sqrt 6})   (iii) (1over{sqrt 5+sqrt

4. Represent (sqrt {9.3}) on the number line. Number Systems Exercise 1.4 Previous Next Class 9 Number Systems

3. Recall, π is defined as the ratio of the circumference (say c) of a circle to its

2. Simplify each of the following expressions: (i) ((3+sqrt 3)(2+sqrt 2)) (ii) ((3+sqrt 3)(3-sqrt 3)) (iii) ((sqrt 5+sqrt

1. Classify the following numbers as rational or irrational: (i) (2-sqrt 5) (ii) ((3+sqrt{23})-sqrt{23}) (iii) ({2sqrt 7}over{7sqrt 7})

9. Classify the following numbers as rational or irrational: (i) (sqrt{23}) (ii) (sqrt{225}) (iii) 0.3796 (iv) 7.478478…  

8. Find three different irrational numbers between the rational numbers (5over 7) and (9over 11). Number Systems Exercise

7. Write three numbers whose decimal expansions are non-terminating non-recurring. Number Systems Exercise 1.3 Previous Next Class 9