सिद्ध कीजिए कि \[ \left|\begin{array}{lll} a & b+c & a^{2} \\ b & c+a & b^{2} \\ c & a+b & c^{2}...
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सिद्ध कीजिए कि
\[
\left|\begin{array}{lll}
a & b+c & a^{2} \\
b & c+a & b^{2} \\
c & a+b & c^{2}
\end{array}\right|=-(a+b+c)(a-b)(b-c)(c-a)
\]
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