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Answer 1

Answer:

1) Every integer is rational number

2) (√a+ √b ) ( √ a - √b ) = a - b it's not equal to a + b

3) π bcz both 3 numbers can be expressed in the form of p/q

4) √a +b / √ a+ b

5)Infinitely Many

6) is always an irritational number. eg :- √ 2+√ 3 = √ 5 which is irritational

7) 7+2√3 to rationalise the denominator we use conjugate term.

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8) 0.875142

9) √ 4 = 2, which is rational number

10) 1/ 3