2-28
.ﻕﺎﻄﻨﻛ ﺮﻴﺒﻌﺗ ﻭﺃ ﺔﻤﻴﻗ ﻝﺎﺧﺩﺇ ﻚﻨﻜﳝ ﻭ .ﻝﻮﻠﳊﺍ ﻕﺎﻄﻧ ﻰﺼﻗﻷﺍ ﺪﳊﺍ ﻭ ﻰﻧﺩﻷﺍ ﺪﳊﺍ ﺩﺪﺤﻳ ﻭ •
.ﺞﺠﳊﺍ ﻦﻣ ﻱﺃ ﻲﻓ ﺔﻴﻟﺎﺘﻟﺍ ﻒﺋﺎﻇﻮﻟﺍ ﻡﺍﺪﺨﺘﺳﺍ ﻦﻜﳝ ﻻ ﻭ •
Solve(, d
2
/dx
2
(, FMin(, FMax(, Σ(
.
ListAns ﻞﻜﺷ ﻲﻓ ﺎﻌﻣ ﺔﻴﺑﺎﺴﺣ ﺕﺎﻴﻠﻤﻋ 10 ﻰﺘﺣ ﺞﺋﺎﺘﻧ ﺽﺮﻋ ﻦﻜﳝﻭ
.ﻝﻮﻠﺣ ﺪﺟﻮﺗ ﻢﻟ ﺍﺫﺍ "
No Solution" ﺔﻟﺎﺳﺭ ﺽﺮﻌﺗ •
.
SolveN ﺏ ﺽﺮﻌﺗ ﻲﺘﻟﺍ ﺮﻴﻏ ﻯﺮﺧﺃ ﻝﻮﻠﺣ ﺪﺟﻮﺗ ﺎﻣﺪﻨﻋ "More solutions may exist." ﺔﻟﺎﺳﺭ ﺽﺮﻌﺗﻭ •
x
2
– 5x – 6 = 0 ﻞﳊ ﻝﺎﺜﳌﺍ
K4(CALC)5(SolveN)
vx-fv-g)w
J
[OPTN]-[CALC]-[d/dx] ﻝﻭﻷﺍ ﻖﺘﺸﻤﻠﻟ ﺔﻴﺑﺎﺴﳊﺍ ﺕﺎﻴﻠﻤﻌﻟﺍ k
ﺐﻴﻛﺮﺘﻟﺍ ﻡﺍﺪﺨﺘﺳﺎﺑ ﻢﻴﻘﻟﺍ ﻞﺧﺩﺃ ﻢﺛ ﻦﻣ ﻭ ، ﻻﻭﺃ ﺔﻔﻴﻇﻮﻟﺍ ﻞﻴﻠﲢ ﺔﻤﺋﺎﻗ ﺮﻬﻈﺗ ،ﻝﻭﻷﺍ ﻖﺘﺸﻤﻠﻟ ﺔﻴﺑﺎﺴﳊﺍ ﺕﺎﻴﻠﻤﻌﻟﺍ ﺀﺍﺩﻷ
.ﻲﻟﺎﺘﻟﺍ
<ﺔﻴﺿﺎﻳﺮﻟﺍ ﺕﺎﺟﺮﺍ/ﺕﻼﺧﺪﳌﺍ ﻊﺿﻭ>
K4(CALC)2(d/dx) f(x)ea
ﻭﺃ
4(MATH)4(d/dx) f(x)ea
<ﺔﻴﻄﳋﺍ ﺕﺎﺟﺮﺍ/ﺕﻼﺧﺪﳌﺍ ﻊﺿﻭ>
K4(CALC)2(d/dx) f(x),a)
.ﻝﻭﻷﺍ ﻪﻘﺘﺸﻣ ﺪﻳﺪﲢ ﺪﻳﺮﺗ ﻱﺬﻠﻟ ﺔﻄﻘﻨﻟﺍ ﻮﻫ a
:ـﻛ ﻖﺘﺸﳌﺍ ﻑﺮﻌﻳ
d
/
dx
(
f
(
x
)
,
a
)
⇒
f
(
a
)
dx
d
f
(
a
+
A
x
)–
f
(
a
)
f
(
a
) = lim
–––––––––––––
A
x
A
x
→
0
'
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