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Perfect Square Video Lecture | CSAT Preparation - UPSC
FAQs on Perfect Square Video Lecture - CSAT Preparation - UPSC
| 1. What is a perfect square? |  |
Ans. A perfect square is a number that can be expressed as the square of an integer. In other words, it is the product of an integer multiplied by itself.
| 2. How can I determine if a number is a perfect square? | |
Ans. To determine if a number is a perfect square, you can take the square root of the number and check if it is an integer. If the square root is an integer, then the number is a perfect square.
| 3. Are all positive integers perfect squares? | |
Ans. No, not all positive integers are perfect squares. Only numbers that can be expressed as the square of an integer are considered perfect squares. For example, 2, 3, 5, and 6 are not perfect squares.
| 4. Can negative numbers be perfect squares? | |
Ans. Yes, negative numbers can be perfect squares. However, in the context of real numbers, perfect squares are typically defined as non-negative numbers. For example, -4 is a perfect square because (-2)^2 = 4.
| 5. How can I find the square root of a perfect square? | |
Ans. To find the square root of a perfect square, you can simply take the square root of the number. For example, the square root of 25 is 5 because 5^2 = 25.
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