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Question
Solve the following : `int_(-4)^(-1) (1)/x*dx`
Sum
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Solution
Let I = `int_(-4)^(-1) (1)/x*dx`
= `[log |x|]_(-4)^(-1)`
= log | – 1| – log | – 4|
= log 1 – log 4
= 0 – log 4
∴ I = – log 4
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