Question 3 Given: (1 + 2x) e-x dx. Using integration by parts and letting u = -1- 2x, dv = f(x)dx, then the value of f f(x) dx + f In x dx is 2 (A) B D |m 3 3 1 =|m 3 I 2 w|m

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A: 3)    fx,y,z=x2+y2-2z2+zlnx We have,       grad∅=∇f=i∂f∂x+j∂f∂y+k∂f∂z ∂f∂x=2x+zx ∂f∂y=2y…

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A: Using the intermediate value theorem.

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A: we have to find derivative.

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A: answer is in next step

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A: Given

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Q: ) Encuentra la inversa de la función f(x) = 4x² – 1 3x² = x < 0.

A: The given function is f(x)=4x2-13x2 We first replace f(x) with y. y=4x2-13x2

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A: Topic:- function and integration

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A: Explanation of the answer is as follows

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