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OpenStudy (anonymous):
MATRICES please help!!! [2,5,6,-4]X[-3,-9,7,4]
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OpenStudy (amistre64):
multiply them componentwise and add the results
OpenStudy (anonymous):
what do you mean by componet wise
OpenStudy (amistre64):
or is that a cross?
OpenStudy (anonymous):
multiply the two two terms and add the answer
OpenStudy (amistre64):
the matrixes are made of components ... to you match up components and multiply them together, then add the resutls ... if this is matrix multiplication
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OpenStudy (amistre64):
a1*b1 a2*b2 a3*b3 + a4*b4 --------- results
OpenStudy (anonymous):
I did that but got it wrong
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