Jump to level 1 Given the matrices below and that A = LU, solve Ax = b. A = L = X = 1 4 21 3 50 1 4 1 Ex: 42 = 3 7 14 0 0 1 0 -2 1 b = U = -31 -97 -91 15 0 1 0 0 3 -5 1

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Q: 3. Approximate the first order derivative of f(x)= x² + 2x at x = 3, using Forward, Backward and…

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