If I + j + k, I - j, I + 2j + ak are coplanar then a is

If vectors i + j + k,i - j+k and 2i + 3j + mk are coplanar, then m =

If the vectors 2i -- 3j + 4k, I + 2j - k, xi - j + 2k are coplanar then x = 8/5

A : If a = I - j + k, b = I - 2j - k and c = 2i + pj + 5k are coplanar then p = -1/2 R: vectors a,b,c are coplanar if [a b c] = 0

If the vectors 2i - 3j + 4k, I + 2j - k and xi - j + 2k are coplanar then x =

If the vectors i +j , i - j and li + mj + nk are coplanar, then:

If the points 3i - 2j - k, 2i + 3j - 4k, I + j + 2k, 4i + 5j + lambda k are coplanar then lambda =

If vectors 2i - j + k, i + 2j - 3k and 3i + mj + 5k are coplanar, then m is a root of the equation

If I - 2j, 3j + k and lambda I + 3j are coplanar. Then lambda =

If ai+j+k, i+bj+k and i+j+ck are coplanar, then

If the three vectors 2i - j + k, I + 2j - 3k and 3i + lambda j + 5k are coplanar then lambda =