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Question: i posted this question with the previous questions but it...

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id Sdiahebusty ie tie sum factored out of sums and that With respect to a and b. Recall constants can be 1-1 3. (6 points) Consider a sample of beams with rectangular cross section. The widths are measured and found to have a mean b and uncertainty u,-0.02b; another way of saying it is the sample of beams have a width of b 0.02b. The thicknesses are measured and have a mean h and uncertainty u40.03h Compute the uncertainty in the corresponding beam cross sectional area 4 and moment of inertia I, that is, compute u and u Page 1 1

I posted this question with the previous questions but it was not answered.
can you pls help

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