The vectors `bara (x) = cos xbar i + sin xbar j ,bar b(x)=xbar i + sin xbar j` are collinear for :

If the vectors - 3 bar(i) + 4 bar(j) + lambda bar(k) and mu bar(i)+ 8 bar (j) + 6 bar(k) are collinear vectors, then find lambda and mu

If the vectors bar(a)=-2bar(i)+3bar(j)+ybar(k) and bar(b)=xbar(i)-6bar(j)+2bar(k) are collinear, then the value of x+y is

If the vectors bar(a)=-2bar(i)+3bar(j)+ybar(k) and bar(b)=xbar(i)-6bar(j)+2bar(k) are collinear,then the value of x+y is

If the vectors bar(a)=2bar(i)+3bar(j)+6bar(k) and bar(b) are collinear and |bar(b)|=21 , then bar(b) equals to

If the vector bar(a)=2bar(i)+3bar(j)+6bar(k) and bar(b) are collinear and abs(bar(b))=21" then "bar(b)=

If bara = mi + 2j - 3k and barb = 3i - 2j + nk are collinear, then (m, n) equiv

If bar(a) = 2bar(i)+5bar(j)+bar(k), bar(b) = 4bar(i)+mbar(j)+nbar(k) are collinear vectors then find m and n.

IF bar(a)=2bar(i)+5bar(j)+bar(k),bar(b)=4bar(i)+mbar(j)+nbar(k) are collinear vectors then find m+n