3 - The strain gauge rosette indicated in the figure provides the following readings:&o= 400μ, E60=250μ, E120= -480μ. Using the relations given below, find the magnitudes and directions of the principle strains and the maximum shearing strains. Ex=Eo Ey=(260 +2E₁20-Eo) Xxy = 2√7/35 (E60-E120) 13 y 30° 120 60° -X

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