If `|veca|=3,|vecb|=4a n d` the angle between `aa n db` is `120^@` , then find the value of `|4veca+3vecb|dot`

If |veca|=3, |vecb|=4 and the angle between veca and vecb is 120^(@) . Then find the value of |4 veca + 3vecb|

If |veca|=3, |vecb|=4 and the angle between veca and vecb is 120^(@) . Then find the value of |4 veca + 3vecb|

Let veca, vecb, vecc be three unit vectors and veca.vecb=veca.vecc=0 . If the angle between vecb and vecc is pi/3 then find the value of |[veca vecb vecc]|

Let veca, vecb, vecc be three unit vectors and veca.vecb=veca.vecc=0 . If the angle between vecb and vecc is pi/3 then find the value of |[veca vecb vecc]|

If veca, vecb, vecc are unit vectors such that veca. Vecb =0 = veca.vecc and the angle between vecb and vecc is pi/3 , then find the value of |veca xx vecb -veca xx vecc|

If |vecA-vecB|=|vecA|=|vecB| , the angle between vecA and vecB is

If |vecA+vecB|=|vecA|=|vecB| then angle between A and B will be

If |veca.vecb|= |veca xx vecb| , then the angle between veca and vecb is

If veca, vecb and vecc are three vectors, such that |veca|=2, |vecb|=3, |vecc|=4, veca. vecc=0, veca. vecb=0 and the angle between vecb and vecc is (pi)/(3) , then the value of |veca xx (2vecb - 3 vecc)| is equal to

If |veca - vecb|=|veca| =|vecb|=1 , then the angle between veca and vecb , is