\left| \begin{array} { c c c } { a - b } & { b - c } & { c } \\ { ( a + b ) ( b - b ) } & { ( b + c ) ( b - c ) } & { c ^ { 2 } } \\ { - ( a - b ) } & { - ( b - c ) } & { a + b } \end{array} \right|
Evaluate
\left(a-b\right)\left(a+b+c\right)\left(b^{2}-c^{2}\right)
Integrate w.r.t. a
\frac{a\left(a^{2}-3b^{2}\right)\left(b^{2}-c^{2}\right)}{3}+\frac{ac\left(a-2b\right)\left(b^{2}-c^{2}\right)}{2}+С
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