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Thought-Process to Discover Knowledge

Welcome to nubtrek.

Books and other education websites provide "matter-of-fact" knowledge. Instead, nubtrek provides a thought-process to discover knowledge.

In each of the topic, the outline of the thought-process, for that topic, is provided for learners and educators.

Read in the blogs more about the unique learning experience at nubtrek.continue
mathsIntegral CalculusVarious Forms and Results of Integrals

Integration by Combination of Methods

In this page, integration with combination of methods learned is introduced.

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how to integrate `int sqrt(sin^2x - 49) cosx dx` ?

  • substitute `sinx=y` and again substitute `y=7sec theta`
  • substitute `sinx=y` and again substitute `y=7sec theta`
  • this cannot be solved.

The answer is "substitute `sinx=y` and again substitute `y=7sec theta`".

Congrats, completed the entire lesson.

This is a placeholder to solve exercise problems.

slide-show version coming soon