If a is a non-zero vector of modulus a and m is a non-zero


1 If a is a non-zero vector of modulus a and m is a non-zero scalar, then ma is a unit vector if761_Untitled.png

2 For a non-zero vector a , the set of real numbers, satisfying l (5- x)a l

(a) 0

3. The direction cosines of the vector 3i-4j+5k are 

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Mathematics: If a is a non-zero vector of modulus a and m is a non-zero
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