SATHEE: Vector Algebra Question 320

Vector Algebra Question 320

Question: If a and b be unlike vectors, then a . b =

Options:

A) | a | | b |

B) ? | a | | b |

C) 0

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

$ \mathbf{a}.\mathbf{b}=-|\mathbf{a}||\mathbf{b}| $ , ( $ \because \cos \theta =-1 $ ).

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Vector Algebra Question 320

Question: If a and b be unlike vectors, then a . b =

Options:

Answer:

Solution:

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