The book Elementary Algebra was written by author Elmer a Elmer Adelbert Lyman Here you can read free online of Elementary Algebra book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Elementary Algebra a good or bad book?
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= a ^ + ^ = a. .. CP = Va, since a* is one of the two equal factors of a. Exponents 317 Similarly, a* a^ a* = a^+W _. A . . -. A*=-v^a. (Why?) In general, a** = 1 \fa. Again, c$ a% a$ = afr*** = a 2 . ... A* = #?. (Why ?) Similarly, a* a* - a* - a * - a^ = a + * + ^ = a. . -. A*=^S (Why?) p In general, a = %/ap. 440. Stated in words we have : The numerator of a fractional exponent indicates a power and the de- nominator indicates a root. - - Thus, 2a^ = 2v^; 3a^= S^aV^"; 8* = x/P or (v^8)* = 32.... EXERCISE 441. TFrfte wiY^ radical signs, noting carefully ivhat is the base for each fractional exponent : 1- *. 5 /W\ f V3^y 6. A + 6*. 10 - 3 - 2 ^- 7. (a + 6)*. 11. 4. (3a)*6*. 8. A+26i 12. Write with fractional exponents : 13. \/a2. 17. \/a + 6. 21. Va 2 - 6 2 . 14. V^. 18. A+-v/6. 22. 2Va+V2a. 15. 3^/a 2 . 19. 4-v / (a + 6) 2 . 23. 16. V2a6. 20. 3VaJ A/a 7 ! 24. 318 Exponents Find the values of the following : 25. 16*. (Extract the root first. ) 26. 4*; 8. 31. I-25*. 27. 27* ; 9i 32. 25* + 216*.
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