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0-0-cos-x-y-cos-x-xy-dx-dy-




Question Number 84561 by M±th+et£s last updated on 14/Mar/20
∫_0 ^∞ ∫_0 ^∞ ((cos(x−y)−cos(x))/(xy))dx dy
$$\int_{\mathrm{0}} ^{\infty} \int_{\mathrm{0}} ^{\infty} \frac{{cos}\left({x}−{y}\right)−{cos}\left({x}\right)}{{xy}}{dx}\:{dy} \\ $$
Answered by mind is power last updated on 16/Mar/20
∫∫((cos(x−y)−cos(x+y))/(xy))dxdy?
$$\int\int\frac{{cos}\left({x}−{y}\right)−{cos}\left({x}+{y}\right)}{{xy}}{dxdy}? \\ $$

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