doankhang2912 doankhang2912 18-03-2024 Mathematics contestada Number 16 In Oxyx space, let line 4:(x-1)/1=(y+2)/3=(z+3)/2 be perpendicular to the surface flat (a): mx+(2m - 1)y - 2z - 5= 0 (m is a real parameter). The value of m is equal to