which expression is not equivalent to

1/2 log 49 + log 20 - log 14
b b b

a. 2log 7
b

b. log 10
b

c. log 4 + log 7
b b

d. log 6 - log 9
b b

please show the procedure thanks.​

Respuesta :

Answer:

Options A,C and D are not equivalent

Step-by-step explanation:

1/2log49 + log 20 - log 14

=log 49½ + log 20 - log 14

=1og 7 + log 20 - log 14

=log (7 × 20 / 14)

=log 10