Mathematics
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OpenStudy (anonymous):
A*X=?
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OpenStudy (lgbasallote):
dot products?
OpenStudy (anonymous):
this is it !
OpenStudy (lgbasallote):
hmm?
OpenStudy (anonymous):
?
OpenStudy (lgbasallote):
what do you mean by the question?
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OpenStudy (anonymous):
is it =X
OpenStudy (lgbasallote):
what's your lesson?
OpenStudy (anonymous):
math
OpenStudy (lgbasallote):
obviously...but specifically what?
OpenStudy (anonymous):
lesson 6
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OpenStudy (lgbasallote):
yes. i know that well..
OpenStudy (unklerhaukus):
ah, lesson 6 .
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
this is a hard one i dont know what to do
OpenStudy (unklerhaukus):
you have product of matrices ? y/n
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OpenStudy (anonymous):
no just A/X
OpenStudy (anonymous):
?????????????
OpenStudy (unklerhaukus):
A divided by X ?
OpenStudy (anonymous):
is A 1 and X=27 ???
OpenStudy (anonymous):
the letter X
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OpenStudy (unklerhaukus):
im getting the picture now
OpenStudy (anonymous):
so is it 27
OpenStudy (anonymous):
?
OpenStudy (unklerhaukus):
try that substitution once again
OpenStudy (anonymous):
?
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OpenStudy (unklerhaukus):
\[A/X=?\]
if\[ A=1,\qquad X=27\]
\[A/X=?=1/27\]
OpenStudy (anonymous):
so i shod go with 1/27
OpenStudy (unklerhaukus):
does that seam logical ?
OpenStudy (anonymous):
yes but i dont knnow if A=1 or X=27
OpenStudy (unklerhaukus):
ah dear then substituting them in probably wont help,
\[A/X=?\]
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OpenStudy (anonymous):
all it sed was A*X=?
OpenStudy (unklerhaukus):
\[A*X=?\]\[A\cdot X=?\]\[A\times X=?\]
OpenStudy (anonymous):
YES
OpenStudy (unklerhaukus):
what is ?
OpenStudy (anonymous):
A times X =
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OpenStudy (unklerhaukus):
\[A\times X=?\]\[A\times X=\]\[A\times X=0\]
one of these?
OpenStudy (anonymous):
2
OpenStudy (unklerhaukus):
if \(A,X\in \mathbb R\)
\[A\times X=X\times A\]