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Question
Given a + b + c + d = 0, state whether the following statement is correct or incorrect:
a, b, c, and d must each be a null vector.
Options
Correct
Incorrect
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Solution
This statement is Incorrect.
Explanation:
In order to make a + b + c + d = 0, it is not necessary for all four given vectors to be null vectors. Many other combinations can give the sum zero.
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