7. (12 分) The usual way to evaluate the imprope..
7. (12 分) The usual way to evaluate the improper integraldx (from 0 to ∞) is first to calculate its square: dxdy (double integral from 0 to ∞ for both x and y). Evaluate the integral and solve the resulting equation for I.
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VIP與詳解卡管理
dx (from 0 to ∞) is first to calculate its square: 
dxdy (double integral from 0 to ∞ for both x and y). Evaluate the integral and solve the resulting equation for I.