Correct option is 4It is possible to have | | < || and | | < ||

If = + then

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is always greater than ||

C is always equal to A+B

C is never equal to A+B

It is possible to have | | < || and | | < ||

answer is D.

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Detailed Solution

= + If the angle between and is zero , i.e. and are parallel , then || = A +BIf the angle between and is 1800 , i.e and are antiparallel, then ||min = (A-B) or (B-A)Here , (A-B) and (B-A) ,may be less than || or ||So , Option 4 is right

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