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Mathematics 10 Online
OpenStudy (anonymous):

I need a help with this determinant question.

OpenStudy (mokeira):

which?

OpenStudy (anonymous):

-2a a+b a+c b+a -2b b+c = 4(b+c)(c+a)(a+b) c+a c+b -2c

OpenStudy (anonymous):

the first part is in determinent bracket.

OpenStudy (anonymous):

please anyone prove it

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