Question

Ifa=1/5 b=-3/5 c=2/3 then prove that (a+b)+c=a+(b+c)

Answer 1

Step-by-step explanation:

LHS = (a+b)+c

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

= (-2/5+2/3)

= (-6+10)/15

=. 4/15

RHS = a+(b+c)

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

= 1/5+(-9+10)/15

= 1/5+1/15

= (3+1)/15

= 4/15

hence LHS = RHS

hence verified or proved

hope it helps