What is pi? How do we use it in life?
See below.
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Pi (π) is a mathematical constant representing the ratio of a circle's circumference to its diameter, approximately equal to 3.14159. It is an irrational number, meaning it cannot be expressed as a simple fraction, and its decimal representation goes on infinitely without repeating.
In life, pi is used in various fields and applications:

Geometry: Pi is fundamental in geometry for calculating the circumference, diameter, area, and volume of circles, spheres, cylinders, and cones.

Engineering: Engineers use pi extensively in designing structures, machinery, and systems involving circular or cylindrical components, such as bridges, gears, and pipelines.

Physics: Pi appears in formulas related to wave phenomena, oscillations, and harmonic motion, as well as in equations describing the behavior of electrons in quantum mechanics.

Architecture: Architects use pi to design and construct buildings with circular or curved features, such as domes, arches, and columns.

Technology: Pi is utilized in various technological applications, including computer graphics, image processing, and digital signal processing.

Statistics: Pi is occasionally used in statistical analysis, particularly in fields like physics and engineering where it appears in probability distributions and statistical models.
Overall, pi is a fundamental constant that permeates many aspects of mathematics, science, engineering, and technology, playing a crucial role in understanding and solving realworld problems and phenomena.
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When evaluating a onesided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a onesided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a onesided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a onesided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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