Which of the following is a counterexample for (x^2-x)/(x-1) for all real numbers? Select one: a. 5 b. 2 c. -1 d. 1

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Q: 10. Prove that the following are irrational numbers: (1) √3 (ii) 1 + √2 (iii) √3+ √2 (iv)

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A: We can solve this as follows:

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Q: Find the difference of -x² + 6x + 4 and − 3x² - 5x+8. The difference is (Simplify your answer.) www

A: We have given to find  difference  of -x2+6x+4 and -3x2-5x+8   Let, d=-x2+6x+4--3x2-5x+8…