Question

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Answer 1

Answer:

Q1) 1. -3²/7² = 9/49

2. -9²/17² = 81/289

Q2) 1. (19+18) (19-18)

= 37 × 1 = 37

2. (23+22) (23-22)

= 45 × 1 = 45

Q3) 1. 768 is not a perfect square.

Q4) 1. 63

2. 19

3. n²

4. 2

5. 3

6. 4

7. 6/25

8.

$\sqrt{1764} \\ = 42$

Answer 2

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