JEE Main 2008 Mathematics question

Mathematics Vector Algebra JEE Main 2008

The non-zero vectors , and are related by and . Then the angle between and is

(1)0
(2)
(3)
(4)Correct

Answer: (4)

Solution

is along and is opposite to , so and are antiparallel: angle π, option (4).

Question ID VK-039105