Question

We use contadiction method to prove a number as irrational.

 is a irrational if n is not a perfect square.

 If x be an irrational number then –x and are also irrational

 The sum of a rational and irrational is irrational

 Product of non – zero rational number with an irrational number is always an irrational.

 The sum of two irrational numbers is not always an irrational.

 The difference of two irrational numbers is not always an irrational.

 The product of two irrational numbers is not always an irrational.

 The quotient of two irrational numbers is not always an irrational.

 If q = 2n

5m then is a terminating decimal.

 If then is a non terminating repeating decimal.

 If n is a prime number then is an irrational number..

 If H.C.F ( a , b ) = 1 then a and b are said to be Relatively prime or Co prim​

Answer 1

Answer:

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