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साबित करे कि `|{:(b^(2)+c^(2),a^(2),a^(2)),(b^(2),c^(2)+a^(2),b^(2)),(c^(2),c^(2),a^(2)+b^(2)):}|=4a^(2)b^(2)c^(2)`

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साबित करे कि
`|{:(b^(2)+c^(2),a^(2),a^(2)),(b^(2),c^(2)+a^(2),b^(2)),(c^(2),c^(2),a^(2)+b^(2)):}|=4a^(2)b^(2)c^(2)`
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`R_(1)toR_(1)-R_(2)-R_(3)` तथा `R_(2)toc^(2)R_(2)-b^(2)R_(3)` का प्रयोग करें
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