Is the square root of 2 a rational number
Asked by maham237 @ in Mathematics viewed by 292 People
Is the sum of 4.2 and the square root of 2 rational or irrational
Answered by maham237 @
The correct answer is:
Irrational.
Explanation:
We are adding a rational number, 4.2, and an irrational number, √2.
Adding an irrational number to anything makes the sum irrational.
The only way to get a rational number from an irrational number is to multiply or divide. There is no way to rationalize an irrational number by adding or subtracting.
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