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Prove the following: [[-a^2,ab,ac],[ab,-b^2,bc],[ac,bc,-c^2]]=4a^2b^2c^2 |
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Answer» Solution :`[[-a^2,AB,ac],[ab,-b^2,bc],[ac,bc,-c^2]]` =`ABC[[-a,a,a],[b,-b,b],[c,c,-c]]` `C_2=C_2+C_3`) =`abcxx2c[[2a,a],[0,b]]` `abcxx2c(2ab-0)` =`4a^2b^2c^2` |
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