Askor mentioned: I thought trigonometric substitution only function if there is accessible a square root which include ##sqrt x^two + two ##. No. Trig substitution is useful Should you have the sum or variation of squared conditions - they need not be within a square root. Customization: Comprehending that every https://gabletoppak.com/aseptic-tetra-pak-vs-non-aseptic-gable-top-choosing-the-right-carton-for-your-needs/