Question

If a =5, b=4, c=3 prove that a×(b×c)=(a×b)×c

Answer 1

5.(4.3)=(5.4).3

5.12=20.3

60=60

hence proved

Answer 2

Answer:

LHS:

5*(4*3)

=12*5

=60

RHS:

(5*4)*3

=20*3

=60

LHS=RHS

proved

hope it is helpful