Chain rule | Grade 11 | Physics | NCERT | Khan Academy (IN accent) @KhanAcademyIndiaEnglish

Uploaded July 2026 | Updated September 2026, 2 weeks ago

Study Chain rule through clear examples and visual reasoning. This video connects derivative rules, limits, and rates of change so the concept becomes easier to apply.

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Chain rule | Grade 11 | Physics | NCERT | Khan Academy (IN accent)

$Factorisation using identities | Algebraic expression & Identities| OD Grade 9 | Math | Khan Academy In this video, you will learn how to master the factorization of the advanced algebraic identity $a^4 + a^2b^2 + b^4$. We start with a clear, step-by-step breakdown of how this specific quartic expression is broken down into its quadratic factors, $(a^2 + ab + b^2)(a^2 - ab + b^2)$. This video walks through multiple solved examples of problems on factorization using different algebraic identities. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/math/class-9-algebra-od/x46dfd2740ea2b9e7:algebraic-expression-and-identities?lang=en Timestamps: 00:00 - Factorizing Algebraic Identity a^{4}+a^{2}b^{2}+b^{4} 01:50 - Factorization using Algebraic Identity- Solved Example 1 02:25 - Factorization using Algebraic Identity- Solved Example 2 03:19 - Factorization using Algebraic Identity- Solved Example 3 06:32 - Factorization using Algebraic Identity- Solved Example 4 Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate$

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Chain rule | Grade 11 | Physics | NCERT | Khan Academy (IN accent)