Question

11. Verify that ( x + y) + z = x + (y + z)
x=1 , y= 2 , z=-1
2
3 5​

Answer 1

Answer: (X+y)+z=X+(y+z)

by putting the value

(1/2+2/3)+-1/5=1/2+(2/3-1/5)

LHS

(1/2+2/3)-1/5

(3+4/6)-1/5

7/6-1/5

35-6/30

29/30

RHS

1/2+(2/3-1/5)

1/2+(10-3/15)

1/2+7/15

15+14/30

29/30

•°•LHS=RHS

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Step-by-step explanation: