Question

29) The magnitude of the vectors P.Q&R are 8, 6 & 10 units respectively & P+(= R the angle between
d) None of these
P&O is
a) 0
b)
c)/2
d) /4
​

Answer 1

Answer:

angles 1- 90

2- 37

3- 53. this is also one of the famous Pythagorean triplet usually seen in jee and neet exams