721KiB, 750x611, harry-potter.png View SameGoogleiqdbSauceNAO Anonymous Sat 21 Nov 15:20:05 2020 No.12370057 ViewReplyOriginalReport Quoted By: How can I prove x2? + v2? can be expressed as a2? where x, y, v, w, a, b ? a? Managed to prove this for the positive powers y and w, but having trouble for negatives.
