If f(x) = exp(-x).In(x), then , when x=1, df/dx is 1/e C 2/e O e nonexistent O

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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1%AY l.
If f(x) = exp(-x).ln(x), then , when x=1, df/dx is
1/e
2/e
e
nonexistent
The value of the limit x→0 of (cos x)^(cot2
х) is
1.36
-1.36
2.7
-1
What is the value of x in the logarithmic
equation: log (x+2) - log(x-1) = log(2)
2 O
1
4
Transcribed Image Text:1%AY l. If f(x) = exp(-x).ln(x), then , when x=1, df/dx is 1/e 2/e e nonexistent The value of the limit x→0 of (cos x)^(cot2 х) is 1.36 -1.36 2.7 -1 What is the value of x in the logarithmic equation: log (x+2) - log(x-1) = log(2) 2 O 1 4
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