Subtract 3a+4b-2c from 3c+6a-2b.

Subtract 5a+3b-2c " from "6c+5a-3b

Subtract 7a+3b-3c " from " 4c+6a - b

Subtract 3a−2b+4c from the sum of −2a+b−5c and 3a−2b+c

Subtract 3m^2+4 from 6m^3+ 4m^2+ 7m-3.

It a,b and c are non-coplanar vectors and the four points with position vectors 2a+3b-c, a-2b+3c, 3a+4b-2c and ka-6b+6c are coplanar, then k=

Subtract the second expression from the first expression: 3a^2-8ab-2b^2 , 3a^2-4ab+6b^2

If the points 2a+3b-c, a-2b+3c, 3a+lambda b-2c and a-6b+6c are coplanar, then the direction cosines of the vector lambda hat(i)-2lambda hat(j)+hat(k) are