Mathematics, 07.11.2019 06:31, ahluwaliariddh

If y changes from y = 1 to y = 2 along the curve xy = 1, which of the following is equal to δ (x − y)?
1. 1/2
2. -3/2
3. 1
4. 0

Answers: 2

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If y changes from y = 1 to y = 2 along the curve xy = 1, which of the following is equal to δ (x − y...