Question

verify that( a+b)+c=a+(b+c)where a=2/3 ,b= 7/5, c=4/5​

Answer 1

Answer:

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

given a=2/3,b=7/5,c=4/5

(2/3+7/5)+4/5=2/3+(7/5+4/5)

(10+21/15)+4/5=2/3+(7+4/5)

31/15+4/5=2/3+11/5

31+12/15=10+33/15

43/15=43/15

hence verified

Answer 2

Answer:

put these value in L.H.S and R.H.S

Then you will get your answer