Solve.The electric potential of an electric charge distributed along a straight wire of length L is given by the expression ln 
. Find three terms of the Taylor expansion of this expression in powers of (x - L).
A. ln 7 - 
(x - L) + 
(x - L)2 + . . .
B. ln 7 - 
(x - L) + 
(x - L)2 + . . .
C. ln 7 + 
(x - L) + 
(x - L)2 + . . .
D. ln 7 - 
(x - L) + 
(x - L)2 + . . .
Answer: D
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a. 
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c. 
d. 
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