If | a b | = | a b |, a b < 0 and is the angle between a and b , then the value of + .....

MHT CET 2026 Mathematics question

If , and is the angle between and , then the value of .....

Answer: (A)

and , so , giving . Since , , so is obtuse: .

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-100027