Question

verify the property a+(b+c)=(a+b)+c. (1) 3 ,8 & 19. (2) 13 ,23 ,41​

Answer 1

Answer:

1). 3+(8+19)=(3+8)+19

3+27=11+19

30=30

verified

2). 13+(23+41)=(13+23)+41

13+64=36+41

77=77

verified

Answer 2

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

=} 3+(8+19) = (3+8)+19

=} 3+27 = 11+19

=} 30 = 30

HENCE, a+(b+c) = (a+b)+c

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

=} 13+(23+41) = (13+23)+41

=} 13+64 = 36+41

=} 77 = 77

HENCE, a+(b+c) = (a+b)+c

HOPE THIS HELPS......