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Whatever may be the value of r, positive or negative, its square will be
- a)negative only
- b)positive only
- c)zero only
- d)none only
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Whatever may be the value of r, positive or negative, its square will ...
Explanation:
The square of any real number is always positive, except for 0. This is because when a number is squared, it is multiplied by itself, and any non-zero number multiplied by itself will always result in a positive number.
Heading: The Squaring Process
When a number is squared, it is multiplied by itself. For example, if we square the number 3, we get:
3 x 3 = 9
Similarly, if we square the number -3, we also get:
-3 x -3 = 9
This is because when we multiply two negative numbers together, we get a positive number.
Heading: The Positive and Negative Signs
In the case of the number r, it can be either positive or negative. If r is positive, then its square will also be positive. If r is negative, then its square will also be positive.
For example, if r = 5, then r^2 = 25. If r = -5, then r^2 = 25 as well.
Heading: Conclusion
In conclusion, regardless of whether r is positive or negative, its square will always be positive. Therefore, the correct answer is option B, which states that its square will be positive only.
The square of any real number is always positive, except for 0. This is because when a number is squared, it is multiplied by itself, and any non-zero number multiplied by itself will always result in a positive number.
Heading: The Squaring Process
When a number is squared, it is multiplied by itself. For example, if we square the number 3, we get:
3 x 3 = 9
Similarly, if we square the number -3, we also get:
-3 x -3 = 9
This is because when we multiply two negative numbers together, we get a positive number.
Heading: The Positive and Negative Signs
In the case of the number r, it can be either positive or negative. If r is positive, then its square will also be positive. If r is negative, then its square will also be positive.
For example, if r = 5, then r^2 = 25. If r = -5, then r^2 = 25 as well.
Heading: Conclusion
In conclusion, regardless of whether r is positive or negative, its square will always be positive. Therefore, the correct answer is option B, which states that its square will be positive only.
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Community Answer
Whatever may be the value of r, positive or negative, its square will ...
If we * 2 term say
1is when both are+ then it will be positive
2 if both are - then we know -*-=+
1is when both are+ then it will be positive
2 if both are - then we know -*-=+
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Whatever may be the value of r, positive or negative, its square will bea)negative onlyb)positive onlyc)zero onlyd)none onlyCorrect answer is option 'B'. Can you explain this answer?
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