Question: Question Two [2 marks] On a test, Amal is asked to calculate dx. They provide the following answer: o V31x2 - 32 Amal's Answer: Let

Question Two [2 marks] On a test, Amal is asked to

Question Two [2 marks] On a test, Amal is asked to calculate dx. They provide the following answer: o V31x2 - 32 Amal's Answer: Let u = 31x2 -32. Then du = 62x dx or du = xdx. This gives 1 dx = du o V312 - 32 62 5/u 1 - 1 = u 5 du o 62 5 1 = us 248 0 5 248 a) Explain why Amal's answer is incorrect. b) Provide a correct answer to Amal's test question. (Your answer should be a simplified fraction.)

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