5. Squares and Square Roots
The chapter explores the properties and implications of square numbers, demonstrating their significance through examples and exercises. It elaborates on identifying perfect squares, understanding patterns in square numbers, and applying various mathematical concepts such as Pythagorean triplets and square roots. Furthermore, it introduces techniques for estimating and calculating square roots using different methods.
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Sections
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What we have learnt
- Square numbers are formed by multiplying a natural number by itself.
- Square numbers have unique properties related to their unit digits.
- The process of finding square roots can be approached through different methods such as prime factorization and repeated subtraction.
Key Concepts
- -- Square Number
- A natural number that can be expressed as the product of a natural number with itself.
- -- Perfect Square
- A number that is the square of an integer.
- -- Pythagorean Triplet
- A set of three positive integers a, b, and c, such that \(a^2 + b^2 = c^2\).
- -- Square Root
- A number that produces a specified quantity when multiplied by itself.
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