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1) L = 3 (-1) - 29 = - 32
2) L = (2 . 3 +3)/(5 - 3 . 3) = - 9/4
3) L =(2 . 2 + 2 - 2)/(2² - 1) = 4/3
4) (x³ - 27)/(x - 3) = x² + 3 x + 9; L = 3² + 3 . 3 + 9 = 27
5) (x² - 49)/(x + 7) = (x - 7) (x + 7) / (x +7) = x - 7
L = - 7 - 7 = - 14
6) (x² - 5 x - 36 ) / (x² - 16) = [(x + 4) (x - 9)] / ([x + 4) (x - 4) =
= (x - 9) / (x - 4); L = (- 4 - 9) / (- 4 - 4) = 13/8
Saludos Herminio