If | a |=3, | b |=4 and | a - b |=5, then what is the value of | a + b |?

NDA 2018 Mathematics question

If , and , then what is the value of ?

Answer: (D)

\vec\vec\vec\vec\vec\vec$ b|^2) =

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

Question ID VK-028997