Question

Verify that a+b= b+a a=1 b=_2/3

Answer 1

Hello!_________________________

Answer 2

given that, a=1, b= -2/3
a+b= 1+(-2/3)
=1+ (-2)/3
=-1/3

b+a =-2/3+1
=(-2)+1/3
=-1/3
therefore it proves that a+b=b+a