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One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

What is the solution to the equation 9^(x+1) =27

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are: