- A question about complex number: to solve equation (z+1)^4+4(z-1)^4=0?

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Integral from 0 to 4 of absolute value of (x^2 -4x +3) dx. I keep getting 4/3 and not 4...? What animal walks in the snow print that looks exactly like a very tiny person's shoe print? (4 Square root of 3 -1) ( square root of 3-6). Simplify? What would be a really interesting planet to visit you think, Saturn? How much more likely is a group to do something if 2 percent of a population causes 30 percent of all of something?