Question

(1 1 2 -3)
(1 2 -3 -2)
(6 13 k -10)
how do I solve for value of K?
it is a matrix question
the original question is
x+y+2z=3
x+2y-3z=-2
6x+13y+kz=-10
but I rearranged it as a matrix so

Answer 1

try sitting up you problem a little better