For any vectors `bara,barb,barc` correct statement is

For non-zero vectors bara,barb,barc prove that abs(baraxxbarb.barc)=absbaraabsbarbabsbarc holds if and only if bara.barb=barb.barc=barc.bara=-

For any three vectors bara, barb, barc prove : [bara-barb, barb-barc, barc-bara]=0

For three non-coplanar vectors bara,barb,barc the relation |(bara times barb).barc|=|bara||barb||barc| holds true , if

For three non-coplanar vectors bara,barb,barc the relation |(bara times barb).barc|=|bara||barb||barc| holds true , if

For non - coplanar vectors bara,barb and barc determine p for which the vectors bara+barb+barc,bara+pbarb+2barc and -bara+barb+barc are coplaner.

Prove that for any vector bar a,barb,barc[bara+barb, barb+barc, barc+bara]=2[bara barb barc]

If 2 out of 3 vectors bara,barb,barc " are unit vectors, " bara+barb+barc = bar0 and 2(bara.barb+barb.barc+barc.bara)+3 =0 " then the " 3^(rd) vector is of length

If three unit vectors bara,barb,barc " satisfy " bara+barb+barc =bar0 then the angle between bara and barb is

Show that the four points with position vectors bara,barb,barc,bard are coplaner if [barb barc bard]+[barc bara bard]+[bara barb bard]=[bara barb barc]