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Squares & Square Roots- 2 Video Lecture | Mathematics (Maths) Class 8

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FAQs on Squares & Square Roots- 2 Video Lecture - Mathematics (Maths) Class 8

1. What is a square?
Ans. A square is a quadrilateral with all four sides of equal length and all four angles of 90 degrees. In other words, it is a shape with four equal sides and four right angles.
2. What is a square root?
Ans. A square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 25 is 5 because 5 multiplied by itself equals 25.
3. How can we find the square of a number?
Ans. To find the square of a number, we multiply the number by itself. For instance, the square of 4 is 4 multiplied by 4, which equals 16.
4. What is the relationship between squares and square roots?
Ans. The square of a number and its square root are inversely related. If we find the square of a number, we can find its square root by reversing the process. Similarly, if we find the square root of a number, we can find its square by multiplying it by itself.
5. Can negative numbers have square roots?
Ans. Yes, negative numbers can have square roots, but the square roots of negative numbers are not real numbers. They are called imaginary numbers. For example, the square root of -9 is 3i, where "i" represents the imaginary unit.
79 videos|408 docs|31 tests
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