20) Using the method of variation of parameters, the form of a particular solution of (D2+25)y-4x²-3 k c) Up-U₁(x) con(52)+U₂(x) sin(5x) d) - U₁(z)e+U₂(z)e a) Up U₁(r) cosh(52)+U₂(r) sinh(5z) b) Up-U₁(a)e+U₂(x)x³

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Q: 16. Use the Divergence Theorem to find the total outward flux of F = xi + 2yj + 3zk across the…

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Q: d) x1 + 2x2 + 2x3 + 5x4 = 11 2x1 + 4х2 + 2x3 + 8x4 = 14 x1 + 3x2 + 4х3 + 8x4 = 19 X1 - X2 + X3 = 2

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Q: x1 = -x2, x2 = 6x₁5x2 with x₁ (0) = 2 and x₂ (0) = 5. (O) Dand (0)

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Q: 10. Let f(x, y, z) be the density function of the V where V is the solid enclosed by z = 4-x² - 4y²…

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