_______ / 7 - x / 1 7 - x \ / ----- *(x - 8)*|- --------- - ----------| \/ x - 8 | 2*(x - 8) 2| \ 2*(x - 8) / ---------------------------------------------- / 7 - x\ |1 + -----|*(7 - x) \ x - 8/
/ -7 + x\ ____________ | 1 - ------| / -(-7 + x) | 2 -8 + x| / ---------- *|- ------ + ----------| \/ -8 + x \ -7 + x -7 + x / ---------------------------------------- 4*(-7 + x)
/ 2 \ | / -7 + x\ / -7 + x\ -7 + x | ____________ | 3*|1 - ------| |1 - ------| 1 - ------ | / -(-7 + x) | 1 \ -8 + x/ \ -8 + x/ -8 + x | / ---------- *|--------- - -------------- + ------------- - -------------------| \/ -8 + x | 2 2 2 4*(-8 + x)*(-7 + x)| \(-7 + x) 4*(-7 + x) 8*(-7 + x) / ----------------------------------------------------------------------------------- -7 + x