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ÿþK l a s a 3 c C i g i l i c z b o w e O d p o w i e d z i 1 . 2 . a 2 = 0 , a 3 = - 3 , a 4 = - 1 8 . x = - 3 6 (" x = 3 6 . 3 . a n = 2 4 - n , n <