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