Question

Verify a×[b+c]=[a×b]+[a×c] for a=-3/7,b=12/13,c=-5/6

Answer 1

Step-by-step explanation:

Taking LHS:a×(b+c)

Putting given values

b+c=12/13+(-5/6)

=7/78

and -3/7×7/78

=-1/26

Taking RHS:

(a×b)=-3/7×12/13=-36/91

And (a×c)=-3/7×-5/6=5/14

So -36/91+5/14=-1/26

Thus verified