Q59Comprehension2 Marks11 Dec 2022
Passage
Answer the given subquestions about the functions u(x, y) = x^3 + e^y and v(x, y) = y^3 + y e^x.
If D_u(x, y) is the linear approximation of the function u(x, y) at point and D_u(3, 4) = (a + b e^3), and if 1_{v}(x, y) is the linear approximation of the function v(x, y) at point , and 1_{v}(3, 4) = (c + d e), then find the value of (a + c) - (b + d), where a, b, c, d are integers.
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