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When I inputed the above equation, it did not give me all the integer solutions, or showed a way to get them. I wished to answer the question: "Which integer triangular numbers are the product of two other integer triangular numbers?" Wolfram Alpha... |
I have trouble trying to input anything that requires a plus-minus sign: e.g. "x ± 1 = n^2" returns nothing. "x plus-minus 1 = n^2" returns nothing. "x plus or minus 1 = n^2" returns nothing. The extended keyboard also doesn't help, because the... |