Question

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Answer 1

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1. The reciprocal of ( - 2/7 ) is ( - 7/2 )

2. Zero is neither positive nor negative rational number

3. The perimeter of rectangle with length l and breadth b = 2 ( L + B )

4. Area of a circle = πr²

5. If x = 1 , Then 2x³ + 5 = 7

6. $\sf {a}^{m} + {a}^{n} = {a}^{m + n}$