Why is this statement true or false
the magnitude of vector a + b is greater than and equal to vector a
It has to be false. What if b= -1/2 a?
then
a+b= a-a/2 = a/2 which is not >=a
the magnitude of vector a + b is greater than and equal to vector a
then
a+b= a-a/2 = a/2 which is not >=a