2.10. (Sec. 2.3) Prove that the principal axes of (55) of Section 2.3 are along the 450...

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2.10. (Sec. 2.3) Prove that the principal axes of (55) of Section 2.3 are along the 450 and 1350 lines with lengths 2';c(1 + p) and 2';c(1 - p), respectively, by transforming according to Yt = (ZI + Z2)/ Ii, Y2 = (ZI - Z2)/ Ii.

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