[" A parallelogram is constructed on "3vec a+vec b" and "vec a-4vec b," where "|vec a|=6" and "|vec b|=8],[" parallel,then the length of the longer diagonal is : "]

A parallelogram is constructed on 3 vec a+ vec ba n d vec a-4 vec b ,w h e r e| vec a|=6a n d| vec b|=8,a n d vec aa n d vec b are anti-parallel. Then the length of the longer diagonal is 40 b. 64 c. 32 d. 48

A parallelogram is constructed on 3 vec a+ vec ba n d vec a-4 vec b ,w h e r e| vec a|=6a n d| vec b|=8,a n d vec aa n d vec b are anti-parallel. Then the length of the longer diagonal is 40 b. 64 c. 32 d. 48

A parallelogram is constructed on 3 vec a+ vec ba n d vec a-4 vec b ,w h e r e| vec a|=6a n d| vec b|=8,a n d vec aa n d vec b are anti-parallel. Then the length of the longer diagonal is 40 b. 64 c. 32 d. 48

A parallelogram is constructed on 3 vec a+ vec ba n d vec a-4 vec b ,w h e r e| vec a|=6a n d| vec b|=8,a n d vec aa n d vec b are anti-parallel. Then the length of the longer diagonal is a . 40 b. 64 c. 32 d. 48

A parallelogram is constructed on 3 vec a+ vec ba n d vec a-4 vec b ,w h e r e| vec a|=6a n d| vec b|=8,a n d vec aa n d vec b are anti-parallel. Then the length of the longer diagonal is 40 b. 64 c. 32 d. 48

A parallelogram is constructed on 3 vec a+ vec ba n d vec a-4 vec b ,w h e r e| vec a|=6a n d| vec b|=8,a n d vec aa n d vec b are anti-parallel. Then the length of the longer diagonal is 40 b. 64 c. 32 d. 48

Let vec a and vec b two vectors are such that |vec a|=2sqrt(2) and |vec b|=3 and contain angle 45^(@) . A parallelogram is constructed with vec a-3vec b and 5vec a+2vec b as adjacent sides. Then the length of the larger diagonal is

The lengths of the diagonals of a parallelogram constructed on the vectors vec p=2vec a+vec b and vec q=vec a-2vec b where vec a&vec b are unit vectors forming an angle of 60^(@) are:

The length of the longer diagonal of the parallelogram constructed on 5vec a+2vec b and vec a-3vec b if it is given that |vec a|=2sqrt(2),|vec b|=3 and angle between vec a and vec b is pi/4 is 15 b.sqrt(113) c.sqrt(593) d.sqrt(369)

Find |vec a| and |vec b|, if :(vec a+vec b)vec a-vec b=8 and |vec a|=8|vec b|