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Any real number squared is positive’. Disprove this statement with a counter example

Question

Any real number squared is positive’. Disprove this statement with a counter example

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Solution

The statement "Any real number squared is positive" is not entirely correct. The counter example is 0.

Step 1: Choose a real number. In this case, we choose 0.

Step 2: Square the chosen number. 0 squared is 0.

Step 3: Check if the result is positive. 0 is not a positive number.

Therefore, the statement "Any real number squared is positive" is disproved because 0 squared is not positive.

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