1. Using Gauss-Elimination method and Gauss Jordan method, solve the system: 3.15x1.96y +3.85z = 12.95 2.13x +5.12y-2.89z = -8.61 5.92x + 3.05y + 2.15z = 6.88

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Q: 2. Let f(x) = 3x + 6 € Z7[x]. Find all associates of f(x).

A: The given function is fx=3x+6∈ℤ7x To find: the associates of f(x).

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Q: 3/ A: Find General Solutions for the following Differential Equations (Use Differential Operators).…

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Q: Given f(x) = x3 + 5x2 + 2x - 8 a) Solve for f(x) > 0 and f(x) 0 and < 0

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Q: Question 1 2) Let f(x) = {1; Find the Fourier series of f(x) -45X<0 0≤x<n

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A: here we can use the formula of expension and simple integration.

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Q: Find lim t→ 1 1 - cos2 Int 0(0.20 를 를) 0 O t ./t+7, t-1 t2 − 1

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Q: Economics alfa (a) = 5, and beta (B) = 10 Q4. (a) Suppose a decrease in price from $100 to $5 causes…

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A: Please see the attachment

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A: Properties of Laplace transformation Leatf(t)=F(s-a)Lsinat=as2+a2Lcosat=ss2+a2

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Q: dx/dt = square root5 - ex,

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A: Given equation: xy-12w+z=0; 2y-w3-z=0; w3+z3-2zw=0 To find: Determine the total differential of the…