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Unformatted text preview: Z e xt-t 3-t 2 / x 2 d t for large positive x . 4 Compute the rst term in the asymptotic expansion of Z cos [ x ( at 2-t )] cos [ x ( bt 2 + t )] d t for large positive x and a > b > 0. What happens as a b ? 1...
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- Winter '09