" If "|bar(a)+bar(b)|=|bar(a)-bar(b)|," then "

If |bar(a) xx bar(b)|= bar(a).bar(b) , then find the angle between the vectors bar(a) and bar(b) .

For non -zero vectors a and b if |bar(a)+bar(bar(b))|<|bar(a)-bar(b)|| then bar(a) and bar(b) are

If |bar(a)|=3,|bar(b)|=4,|bar(a)-bar(b)|=5 then |bar(a)+bar(b)|=...

If bar(a) and bar(b) be non collinear vectors such that |bar(a)times bar(b)|=bar(a).bar(b) then the angle between bar(a) and bar(b) is

If |bar(a)|=|bar(b)|=1 and |bar(a)timesbar(b)|=bar(a)*bar(b) , then |bar(a)+bar(b)|^(2)=

If |bar(a)+bar(b)|=1 , |bar(a)-bar(b)|=7 , |bar(a)|=4 then |bar(b)|

If a and b are unit vectors such that |bar(a)timesbar(b)|=bar(a)*bar(b) then |bar(a)-bar(b)|^(2)=

If bar(p)=bar(a)+bar(b),bar(q)=bar(a)-bar(b),|bar(a)|=|bar(b)|=r , then |bar(p)timesbar(q)| =

If |bar(a).bar(b)| = |bar(a) xx bar(b)| & bar(a). bar(b) lt 0 , then find the angle between bar(a) and bar(b) .