A vector coplanar with the non-collinear vectors `bara and bar b` is

The vector (bar(a)+bar(b)) bisects the angle between the non-collinear vectors bar(a) and bar(b) , if ……………

If bara and barb are non-collinear vectors, then

bar(a), bar(b) , bar(c ) are pair wise non zero and non collinear vectors. If bar(a) + bar(b) is collinear with bar(c ) and bar(b) + bar(c ) is collinear with bar(a) then find vector bar(a) + bar(b) + bar(c ) .

Given four non zero vectors bar a,bar b,bar c and bar d. The vectors bar a,bar b and bar c are coplanar but not collinear pair by pairand vector bar d is not coplanar with vectors bar a,bar b and bar c and hat (bar a bar b) = hat (bar b bar c) = pi/3,(bar d bar b)=beta ,If (bar d bar c)=cos^-1(mcos beta+ncos alpha) then m-n is :

Given four non zero vectors bar a,bar b,bar c and bar d . The vectors bar a,bar b and bar c are coplanar but not collinear pair by pairand vector bar d is not coplanar with vectors bar a,bar b and bar c and hat (bar a bar b) = hat (bar b bar c) = pi/3,(bar d bar b)=beta ,If (bar d bar c)=cos^-1(mcos beta+ncos alpha) then m-n is :

Given four non zero vectors bar a,bar b,bar c and bar d . The vectors bar a,bar b and bar c are coplanar but not collinear pair by pairand vector bar d is not coplanar with vectors bar a,bar b and bar c and hat (bar a bar b) = hat (bar b bar c) = pi/3,(bar d bar b)=beta ,If (bar d bar c)=cos^-1(mcos beta+ncos alpha) then m-n is :

bar(a), bar(b), bar(c) are three vectors of which every pair is non-collinear. If the vectors bar(a)+2bar(b) and bar(b)+3bar(c) are collinear with bar(c) and bar(a) respectively, then bar(a)+2bar(b)+6bar(c)=

Given bara, barb, barc are three non-zero vectors, no two of which are collinear. If the vector (bara + barb) is collinear with barc and (barb + barc) is collinear with bara , then : bara+barb+barc =

Given bara, barb, barc are three non-zero vectors, no two of which are collinear. If the vector (bara + barb) is collinear with barc and (barb + barc) is collinear with bara , then : bara+barb+barc =

If bara,barb and barc be three non-zero vectors, no two of which are collinear. If the vectors bara+2barb is collinear with barc and barb+3barc is collinear with bara , then ( lambda being some non-zero scalar) bara+2barb+6barc is equal to: a) lambdabara b) lambdabarb c) lambdabarc d)0