Question: A 3-node element is shown. 1 2 3 Using Lagrange formula, obtain the three shape functions N1, N2, and N3. If x=0, x2=2, and

A 3-node element is shown. 1 2 3 Using Lagrange formula, obtain

A 3-node element is shown. 1 2 3 Using Lagrange formula, obtain the three shape functions N1, N2, and N3. If x=0, x2=2, and x3 = 3, what are the values of N1, N2, and N3 at x = 0.45? (1) 1, 1, 1 (2) 0.659, 0.574, -0.233 (3) 1,0,0 (4) 0, 1, 0 (5) 0.827, -0.257, 0.430 (6) -0.827, 0.257, -0.430 O 10 6 1 4 2 5 3

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