A: The 1x + 1-x equation has no common factors, so the number of factors must be equal to 2. The number of factors of 2 is 1, so the common factors must be the multiple of 1 that is equal to 2. The answer is (E).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q:1^x + 1^-x = 2 What is the value of x? Answer Choices: A)-1 B)-1/2 C)0 D)1/2 E)1