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Let y, and y be two linearly independent solution of y + (sin x) y = 0, 0x1. Let g(x)=W (y, y) (x) be

Let y, and y be two linearly independent solution of y" + (sin x) y = 0, 0x1. Let g(x)=W (y, y) (x) be the Wronskian of y, and y. Then, g'>0 on [0, 1] g'

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