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Integration (1 Viewer)

skillstriker

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The answer in the book is a = 1. Why isn't the answer a = 1 OR -1?
 

Carrotsticks

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The book is wrong.
Yep, the answer should be plus/minus 1.

Reason for plus 1: f(x)=x is an odd function, so the symmetric integral is equal to 0.

Reason for -1: Area of a zero region (line) is zero.
 

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