angela210793
I need some help :(
Find A in this matrix...



This Question is Closed

amistre64
Best Response
You've already chosen the best response.
5
find the determinant

angela210793
Best Response
You've already chosen the best response.
0
dw:1332703256215:dw

angela210793
Best Response
You've already chosen the best response.
0
yes Amistre
i did smth like this dw:1332703352386:dw
can this help???

amistre64
Best Response
You've already chosen the best response.
5
is this a square matrix?

angela210793
Best Response
You've already chosen the best response.
0
it doesn't say anything O.o
but it must be u can find the determinant only if it is square

amistre64
Best Response
You've already chosen the best response.
5
the determinant, if its square, means that you have created a lower tringle matrix and the determiant is just the product of the diagonal

angela210793
Best Response
You've already chosen the best response.
0
so is it bn!??dw:1332703657707:dw

amistre64
Best Response
You've already chosen the best response.
5
dw:1332703572857:dw

angela210793
Best Response
You've already chosen the best response.
0
Thanks xD

amistre64
Best Response
You've already chosen the best response.
5
if we expand along the first col; we get 1(product of bs)

amistre64
Best Response
You've already chosen the best response.
5
bn! does sound plausible to me :)

angela210793
Best Response
You've already chosen the best response.
0
:D