Consider the function f : D - R defined by f (x, y ) = In(a + y) xy where D C R2 is the natural domain of f, and the function g:
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Consider the function f : D - R defined by
f (x, y ) =
In(a + y)
xy
where D C R2 is the natural domain of f, and the function g: R - R given by
g (t) = (t, t)
(a) Sketch the level curve f(x, y) = 0
(b) Evaluate the integral
2
f(g(t) ) at
Subject: Calculus, Math

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