how many natural number sets ${a,b,c,d}$ are there such that,
\[a^2+b^2=c^2\]
\[a^2-b^2=d^2\]
Sum,Difference,Squares
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nafistiham
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\[\sum_{k=0}^{n-1}e^{\frac{2 \pi i k}{n}}=0\]
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.