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6.14^2* h^2 * h^3 = ((6.14)^2 + 2*6.14* 2h + (2h)^2)* 0.2846^3
6.14^2* h^2 * h^3 = ((6.14)^2 + 2*6.14* 2h + (2h)^2)* 0.2846^3
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