## ln(xy)

### The expression ln(xy) represents the natural logarithm of the product of x and y

The expression ln(xy) represents the natural logarithm of the product of x and y.

The natural logarithm function, denoted as ln(x), is the inverse of the exponential function e^x. It is a logarithmic function with base e, where e is a mathematical constant approximately equal to 2.71828.

To understand how ln(xy) can be evaluated, we can use the properties of logarithms. One of the properties states that the logarithm of a product is equal to the sum of the logarithms of the individual factors:

ln(xy) = ln(x) + ln(y)

Therefore, ln(xy) can be rewritten as ln(x) + ln(y).

For example, let’s say x = 3 and y = 5. Then ln(xy) would be equal to ln(3*5) = ln(15). Using the property mentioned earlier, we can also calculate ln(x) + ln(y) as ln(3) + ln(5).

It’s important to note that the natural logarithm function is only defined for positive real numbers. In other words, both x and y must be positive for ln(xy) to have a real value.

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