Askor reported: I assumed trigonometric substitution only get the job done if there is offered a square root like ##sqrt x^2 + 2 ##. No. Trig substitution is helpful Should you have the sum or distinction of squared terms - they don't need to be inside a square root. Customization: https://gabletoppak.com/choosing-between-gable-top-packaging-and-plastic-bottles-for-your-beverage-business/
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