Question

A vector \[\vec V\] = 3î + 4ĵ. What is the magnitude of this vector?

पर्याय

• 5

• 7

• 12

• \[\sqrt 7\]

Answer 1

5

Explanation:

|\[\vec V\]| = √(3² + 4²) = √(9 + 16) = √25 = 5.