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The magnitude of the inclined reaction R1 at "A" would be what in lbs? What are some things about bears? Can Some Mutations Be Adventageous And Some Deleterious In Differentv Environments? Integral from 0 to 4 of absolute value of (x^2 -4x +3) dx. I keep getting 4/3 and not 4...? (4 Square root of 3 -1) ( square root of 3-6). Simplify?