Question

What are the dimensions and elements of matrix O?:

A + O = A and O + A = A

Answer 1

In addition or subtraction the dimension of the matrices you are add/subtracting need to be the same dimensions

Answer 2

Identity matrix for addition

Answer 3

that 's right

Answer 4

O is the identity matrix for addition

Answer 5

no, it is 0 matrix

Answer 6

O is the 0 matrix

Answer 7

That is how O is defined above

Answer 8

then you are correct.

Answer 9

He is calling O the 0 matrix because well it is and it should be even bigger hint to tell you what the entries of O are

Answer 10

That is your question right?
what are the dimensions and entries?

Answer 11

what are the dimensions and elements?

Answer 12

I don't know if I would call them elements but I guess you gould

Answer 13

I call them entries

Answer 14

Do you have any questions?

Answer 15

What's the answer again hehe?

Answer 16

Hints:
1)When adding /subtracting matrices, they must have the same dimensions
2)O is the 0 matrix

Answer 17

pretend we have this