Question
Asked Jan 21, 2020
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Derive the formula sinh-1 x = ln (x + sqrt(x2 + 1)) for all real x. Explain in your derivation why the plus sign is used with the square root instead of the minus sign.

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Expert Answer

Step 1

Define y as follows.

Calculus homework question answer, step 1, image 1
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Step 2
Calculus homework question answer, step 2, image 1
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Step 3
Calculus homework question answer, step 3, image 1
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