Let A be a square matrix and k be a scalar. Prove that (i) If A is symmetric, then kA is symmetric. (ii) If A is skew-symmetric, then kA is skew-symmetric.
If A is a square matrix of order n then |kA|=
In a certain code jo ka ra means go for walk, ma fo ka means do not walk and sa ta jo means good, for you, what is the code for go? 1) jo 2) ka 3) ra 4) ka or ra 5) None of these
