Apply u substitution with a binomial squared

The video tutorial covers integration techniques, focusing on recognizing patterns and using the chain rule. It introduces U-substitution as an alternative method for solving integrals, emphasizing identifying complex functions and differentiating them. The tutorial provides a step-by-step guide to applying U-substitution, ensuring a comprehensive understanding of the process.

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What is the final result of integrating (X^2 + 1)^3?