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How many distinct 2x2 matrices can we have by using the numbers 1,2,3 and 4. Repeating...

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Advance Math

How many distinct 2x2 matrices can we have by using the numbers1,2,3 and 4. Repeating numbers is not allowed.

2!*2!

4*3*4*3

4!

How many multiplications are required to compute AB if A is a4x7 matrix and B is a 7x5 matrix?

35

28

980

140

4^4

Let A be an nxn matrix, What is det(A) if A has a row ofzeros?

n-1

1

0

n

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