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how to input double integral equation into wolframAlpha?

On 4/27/2021 7:37 PM, drhu...@gmail.com wrote: how to input double integral equation into wolframAlpha? sometimes Wolfram alpha actually accepts input in standard mathematica notation. Therefore

Integrate[1/(1 - x^2*y^2), {x, 0, 1}, {y, 0, 1}] Pi^2/8 Works exactly the same in Wolfram alpha https://www.wolframalpha.com/input/?i=Integrate%5B1%2F%281+-+x%5E2*y%5E2%29%2C+%7Bx%2C+0%2C+1%7D%2C+%7By%2C+0%2C+1%7D%5D --Nasser