Consider the given equations. We have to identify the correct equations.
1.
Using the laws of exponents,
Consider the LHS of the equation .
Therefore, this is the correct equation.
2.
Consider the LHS of the equation .
Therefore, this is not the correct equation.
3.
Consider the LHS of the equation .
Therefore, this is the correct equation.
4.
Consider the LHS of the equation .
Therefore, this is the correct equation.
Equations 1,3 and 4 are the correct equations.