Matrix: Let A = [[8, -2][4, 7]], B = 2A. Find b*22

[itsmelana]

Let matrix A=
[8 -2]
[4 7]

Let matrix B = 2A, find b*22
[16 -4]
[8 14]

B(2,2) = 14

Is correct?

 

[pka]

Re: Matrix

Yes, if I read your notation correctly.