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Mathematics 8 Online
OpenStudy (erinweeks):

Evaluate the determinant.

OpenStudy (erinweeks):

|dw:1378877216693:dw|

OpenStudy (erinweeks):

@ganeshie8 can you please help me with this one though..

ganeshie8 (ganeshie8):

two vertical bars means, determinant

OpenStudy (erinweeks):

okay and im confused :/

OpenStudy (kenljw):

The determinate of a 2X2 a11 a22 - a12 a21 (1/6) (10/7) - (1/8) (-6/5) 10/42 + 6/40 5/21 + 3/20 continue

OpenStudy (erinweeks):

163/420 is what i got!

OpenStudy (erinweeks):

am i right?(:

OpenStudy (kenljw):

correct

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