Question

10.
If p = -4/9 ,q=2/3 and r =8/11
then verify the following:
(1)
p+(q+r) = (p+q)+r​

Answer 1

Consider q + r = 2/3 + 8/ 11 = 46/ 33

p + (q+r) = -4/9 + 46/33 = 94/99

Now, consider p + q = -4/9 + 2/3 = 2/9

(p+q) + r = 2/9 + 8/11 = 94/99

So, p + (q+r) = (p+q) + r

Answer 2

Step-by-step explanation:

Refer the pic for the explanation