MATHS ๐งฎ LAB ๐ฌ
Pi is an irrational number, not a rational number. It cannot be expressed as a simple fraction p/q of two integers, and its decimal representation is infinite and non-repeating 3.14159... Common approximations like 22/7 or 3.14 are rational, but they are notโฆ
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MATHS ๐งฎ LAB ๐ฌ
Any terminating or recurring decimal is a rational number.
Yes, any terminating or recurring decimal is a rational number because it can be expressed as a fraction p/q of two integers qโ 0 Terminating decimals have a finite number of digits, while recurring (repeating) decimals have a pattern that repeats forever, both of which are convertible into rational form.
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MATHS ๐งฎ LAB ๐ฌ
Only a square matrix has a determinant.
A determinant is defined only for a square matrix (an n ร n matrix with an equal number of rows and columns). It is a scalar value that provides key information, such as whether a matrix is invertible (non-zero determinant) or singular (zero determinant).
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MATHS ๐งฎ LAB ๐ฌ
Eeii senior ๐ฅน๐
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A square pyramid has four vertices.
A square pyramid actually has five vertices, not four. It consists of four vertices at the corners of its square base and one apex vertex at the top where the four triangular faces meet. It is a 3D polyhedron with 5 faces, 5 vertices, and 8 edges.
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