Question

32. Which of the following relations are wrong?
a) A vector + B= C
b) A vector + B vector= C
c) A vector+B vector=C vector
d) A+B vector=C vector​

Answer 1

Explanation:

d) A+B vector=C vector

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Answer 2

Answer:

d) A+B vector=C vector​

Explanation :

From the property of vector product, we notice that C→ must be perpendicular to the plane formed by vector A→ and B→. Thus C→ is perpendicular to both A→ and B→ and (A→+B→) vector also, must lie in the plane formed by vector A→ and B→. Thus C→ must be perpendicular to (A→+B→) also but the cross product (A→×B→) gives a vector C→ which can not be perpendicular to itself Thus the last statement is Wrong.

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