a = 2m - 3n + 4k
m(4,1) n(1,2) k(2,7)
a = (2 * 4 - 3 * 1 + 4 *2,2*1 - 3*2 + 4*7) = (8 - 3 + 8,2 - 6 + 28) = (13,24)
a = 2m - 3n + 4k
m(4,1) n(1,2) k(2,7)
a = (2 * 4 - 3 * 1 + 4 *2,2*1 - 3*2 + 4*7) = (8 - 3 + 8,2 - 6 + 28) = (13,24)
a=2•4-3•1+4•2,2•1-3•2+4•7= 8-3+8,2-6+28=13.24