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Perfect Square Video Lecture | CSAT Preparation - UPSC

216 videos|139 docs|151 tests

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.
216 videos|139 docs|151 tests

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