gbacon6792 gbacon6792 05-02-2024 Mathematics contestada If the vectors a¯i+¯j+¯¯¯k,¯i+b¯j+¯¯¯k,¯i+¯j+c¯¯¯k (a,b,c are not equal to 1) are coplanar, then1/1−a+1/1−b+1/1−c=.....a. 0b. 3c. 2d. 1