Question

Assertion (A): If ĀXB = CXB then C must be equal to Ā [ ] Reason (R): The magnitude of cross product of two vectors depends upon the angle between them a) Both A and R are correct and R is the correct explanation of A b) Both A and R are correct but R is not the correct explanation of A c) A is correct, R is incorrect d) A is incorrect, R is correct​

Answer 1

Answer:

Correct option is A)

 

A

.

B

=

B

.

C

⇒ABcosθ

1

​

=BCcosθ

2

​

∴A=C, only when θ

1

​

=θ

2

​

 

So when angle between  

A

 and  

B

 is equal to angle between  

B

 and  

C

 obly then  

A

 equal to  

C

hence,

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

Explanation:

hope it helps