To prove:

Solution:

Multiply first term by
and second term by
.

Using the identity: 

Denominators are same, you can subtract the fractions.

Using the identity: 

Using the identity: 

------------ (1)

Using the identity: 


------------ (2)
Equation (1) = Equation (2)
LHS = RHS

Hence proved.
Answer:
The answer is $2.52.
Step-by-step explanation:
56 x .045= $2.52
Answer:
i think it will be option 3
Step-by-step explanation: