Question

verify associate law under multiplication for a=5/9 b=6/8 c= -1/2

please help friends tomorrow is my exam​

Answer 1

Answer:

a×b×c=c×b×a

5/9×6/8×-1/2=-1/2×6/8×5/9

LHS=-30/108

RHS=-30/108

Answer 2

Answer:

the associative law is

(A+B)+C=A+(B+C)

(5/9+6/8)+-1/2=5/9+(6/8+(-1/2))

(40+54/72)+-1/2=5/9+(12-8/16)

(94/72)+-1/2=5/9+(4/16)

47/36+(-1/2)=5/9+1/4

94-36/72=20+9/36

58/72=29/36

29/36=29/36

therefore,(A+B)+C=A+(B+C)

-proved