Question: Computer algebra systems sometimes need a helping hand from human beings. Ask your CAS to evaluate 2x 4x 1dx. If it doesnt return an

Computer algebra systems sometimes need a helping hand from human beings. Ask your CAS to evaluate ∫2x √4x – 1dx. If it doesn’t return an answer, ask it to try ∫2x √22x – 1dx instead. Why do you think it was successful with this form of the integrand?

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