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A parallelogram is constructed on 3 v...

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`

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CENGAGE ENGLISH-VECTOR ALGEBRA-All Questions
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  2. If vec A, vec B and vec C are vectors such that |vec B|-|vec C|. Prove...

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  3. A parallelogram is constructed on 3 vec a+ vec ba n d vec a-4 vec b...

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  5. Statement 1: A component of vector vec b=4 hat i+2 hat j+3 hat k in...

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  7. Let vec r be a non-zero vector satisfying vec r dot vec a= vec rdo...

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  8. Let vec a = a1 hat i + a2 hat j+ a3 hat k;vec b = b1 hat i+ b2 hat j+...

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