Simplify (15-54)(mod 4). (15-54)(mod 4) =(mod 4)

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A: Answer given below.As per your request I have solved part (e).

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Q: Solve the equation 6cos x + 7 cos x 5 = 0, for- 21 ≤x≤ 2. Express answer as an exact value.

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Q: Q6: Find the general solution of the following differential equation (D² + 2)y = x³ + x² +e-²x+cos3x

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Q: use the Laplace transform to solve the given initial-value problem. Q. y′′+4y =4sint+3δ(t−2),…

A: use the Laplace transform to solve the given initial-value problem. Q. y′′+4y =4sint+3δ(t−2),…

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Q: 10. a) Given the functions f(x) = x + 2 and g(x) = 3*, determine an equation for (fog)(x) and…

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Q: Solve the PDE. PDE: IC: u(x,0) = 8 sin(x) U₁2u₂+7u= 0, -∞ 0.

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Q: Using the algebra of expectations, demonstrate that : Var (a + c(~^x)) = c² var (x)

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