NCERT Mathematics Class 9 Exemplar Ch 1 Number Systems Part 7

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Exercise 1.4

1. Express in the form , where p and q are integers and .

Answer:

2. Simplify:

Answer: 1

3. If , then find the value of .

Answer:

4. If , then find the value of .

Answer: 7

5. If and, then find the value of .

Answer: 98

6. Simplify:

Answer:

7. Find the value of

Answer: 214