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Mathematics 7 Online
OpenStudy (anonymous):

could anyone help me in determinants. its a 3X3 determinant. to prove= ly+z x+y xl lz+x y+z yl = x^3 + y^3 + z^3 -3xyz. lx+y z+x zl by using the properties of determinants. answer soon :).

OpenStudy (anonymous):

do you know how to solve an ordinary 3x3 determinant matrix if i gave you numbers?

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