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differentiation
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differentiate ln((root 2) +2(root 2x)),ln(1+2(root2x)) and ln((root2)+(root 2x)) with respect to x |
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发表于 3-2-2010 07:05 PM
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differentiate ln((root 2) +2(root 2x)),ln(1+2(root2x)) and ln((root2)+(root 2x)) with respect to x
數學神童 发表于 3-2-2010 05:04 PM 
root是 SURD 吗? |
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
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发表于 4-2-2010 12:15 AM
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root是 SURD 吗?
walrein_lim88 发表于 3-2-2010 07:05 PM 
 |
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发表于 4-2-2010 11:25 AM
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回复 3# 數學神童
 |
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发表于 4-2-2010 11:28 AM
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回复 3# 數學神童
 |
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发表于 4-2-2010 11:34 AM
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回复 3# 數學神童
 |
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发表于 4-2-2010 09:43 PM
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请问下为什么 differentiate surd 2x = surd2 . x*-1/2 而不是 (2x)*-1/2 ?? |
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发表于 4-2-2010 09:58 PM
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回复 7# 外星護法
√(2x)= √2.√x=√2. 1/2 (x)^-1/2
=(√2)/(2√x)
= 1/√(2x)
√(2x)= 1/2 (2x)^-1/2 . 2
= (2x)^-1/2
= 1/√(2x) |
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