Class 12 Book Solution from S N Dey in Determinant Question No: 6B.3.19
দেখাও যে :
\(\begin{vmatrix}
a^2 & a^2-(b-c)^2 & bc \\[0.3em]
b^2 & b^2-(c-a)^2 & ca \\[0.3em]
c^2 & c^2-(a-b)^2 & ab
\end{vmatrix}\\
=(a-b)(b-c)(c-a)(a+b+c)(a^2+b^2+c^2)\)
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