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Recent Articles in Mathematics

Limits of Functions: A Complete Guide

Limits of Functions: A Complete Guide

Understanding **limits of functions** is essential in calculus. This guide explains the epsilon-delta definition, theorems, and applications to help you master this fundamental concept.

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Limit Superior and Inferior

Limit Superior and Inferior

Understand Limit Superior and Inferior: Learn how these concepts define the eventual bounds of sequences and functions, and their importance in mathematical analysis.

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Limits at Infinity

Limits at Infinity

Learn how to solve Limits at Infinity with this comprehensive guide. Understand the concepts and techniques through clear examples and step-by-step solutions.

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Trigonometric Limit

Trigonometric Limit

Learn to evaluate the Trigonometric Limit. The solution involves simplifying the expression and applying limit theorems. The final result is 5.

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Evaluating Limits

Evaluating Limits

Learn how to easily evaluate limits using direct substitution! This guide provides clear examples and explanations to help you master this essential calculus skill. The SEO Keyphrase is Evaluating Limits.

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Derivative of \(\mathsf { x^{n} }\) using the First Principle

Derivative of \(\mathsf { x^{n} }\) using the First Principle

Let y = \(\mathsf {x^{n} }\) ∴ y + δy = \(\mathsf { {(x + δx)^{n}} }\) ∴ δy = y + δy - y = \(\mathsf { (x + δx)^{n} }\) - \(\mathsf { x^{n} }\) or δy = \(\mathsf { [\text{ }^{n}C_0 x^{n}{(δx)}^{0} }\) + \(\mathsf {\text{ }^{n}C_1 x^{n-1}{(δx)}^{1}}\) + \(\mathsf...

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Derivative of \({e}^x\) using First Principle 

Derivative of \({e}^x\) using First Principle 

Derivative of \({e}^x\) using the First Principle Let \(y\) = \({e}^x\)∴ \(y + δy\) = \({e}^{x + δx}\)∴ \(δy\) = \({e}^{x + δx}\) - \({e}^x\)or \(δy\) = \({e}^{x}\) . \( [ {e}^{δx} - 1 ]\)Dividing each side by δx </h3>or \(\dfrac {δy}{δx}\) = \( \dfrac { {e}^{x}...

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Derivative of sinθ using the First Principle

Derivative of \( sinθ \) using the First Principle Let \(y\) = \( sinθ \) ∴ \(y + δy\) = \( sin(θ + δθ) \) ∴ \(δy\) = \( sin(θ + δθ) \) - \( sinθ \)From Trigonometry , we have \( sin(A-B) \) = 2.\( sin \dfrac {(A-B)}{2} \).\( cos \dfrac {(A+B)}{2} \)Using the above...

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Derivative of cosθ using the First Principle

Derivative of \( cosθ \) using the First Principle Let \(y\) = \( cosθ \) ∴ \(y + δy\) = \( cos(θ + δθ) \) ∴ \(δy\) = \( cos(θ + δθ) \) - \( cosθ \)From Trigonometry , we have \( cos(A-B) \) = -2.\( sin \dfrac {(A+B)}{2} \).\( sin \dfrac {(A-B)}{2} \)Using the above...

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