Which curve has the greater length on the interval [-1, 1], y = 1 - x 2

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Which curve has the greater length on the interval [-1, 1], y = 1 - x2 or y = cos(πx/2)?

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Related Book For  answer-question

Calculus Early Transcendentals

ISBN: 978-0321947345

2nd edition

Authors: William L. Briggs, Lyle Cochran, Bernard Gillett

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