Need help to show that double integrate [1 0] [1 0] 1/(1-xy) dx dy gives pi^2 / 6 by applying the substitution: x = (sqrt2 sin theta - v) / sqrt2 y = (sqrt2 sin theta + v) / sqrt2
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Hey TaTzRE66. Can you show us what you tried? What is the Jacobian, new limits and new integral used for the substitution?
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