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## Tamilnadu Samacheer Kalvi 12th Maths Solutions Chapter 8 Differentials and Partial Derivatives Ex 8.3

Question 1.

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Question 2.

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Question 3.

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Question 4.

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Question 5.

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Question 6.

Solution:

Here, f satisfies all the three conditions of continuity at (a, b). Hence, f’ is continuous at every point of R^{2} as (a, b) ∈ R^{2}.

Question 7.

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