Question

11. Verify that (a+b) + C = a +(b+c) by taking
(a) a=-2,b=-2/3,c=-3/4​

Answer 1

Answer:

Step-by-step explanation:

(a+b) + c = a+(b+c)

LHS:                  

{-2 +( -2/3)} +(-3/4)

{ -2-2/3} -3/4

-24 - 8 - 9  \12

-41/12

RHS:

-2 + ( -2/3-3/4)

-2 -2/3 -3/4

-24 - 8 - 9  \12

-41/12

Since LHS = RHS, hence proved

Answer 2

Answer:

Varification below

Step-by-step explanation:

LHS=(-2+(-2/3))+(-3/4)= -2-2/3 - 3/4

= (-6-2)/3-3/4=(-8/3)-3/4= (-32-9)/12=-41/12

RHS= - 2+(-2/3+(-3/4))= -2+(-2/3-3/4)=-2+(-8-9)/12

= -2+(-17)/12= -2-17/12=-24-17/12= - 41/12

Hence LHS=RHS VERIFIED