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Which of the following statement is inco...

Which of the following statement is incorrect

A

a,b,c and d must each be a null vector.

B

The magnitude of (a+c) equals the magni tude of (b+d)

C

The magnitude of a can never be greater than the sum of the magnitudes of b, c and d

D

b + c must lie in the plane of a and b if a and d are not collinear, and in the line of a and d, if they are collinear

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The correct Answer is:
A
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AAKASH SERIES-MOTION IN A PLANE-EXERCISE-2 (Addition, Subtraction and Resolution)
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