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UC Davis #10: count prove Σi = n(n+1)/2 where i=1 to n
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trig Write each expression as an equivalent algebraic expression involving only x.
A box contains 8 blue & 6 red socks. What is the number of ways that 2 socks can be drawn ...
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The pth, qth, & rth terms of an AP are x,y,z respectively.
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logic: Simplify the Boolean function F=AB+(AC)'+AB'C(AB+C)
Find r, if 5 4Pr = 6 5(r-1)
UC Davis #11: count prove Σi^2 = n(n+1)(2n+1)/6 where i=1 to n
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NYU: compute integral ∫√(1+ √x) dx
logic: Simplify the Boolean function F=XYZ+XY'Z+XYZ'
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Find the number of digits in a number? (118^118)
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prob stat: For the sample shown in the freq distribution table, what is the mode?
prob stat: Find the number of ways of selecting 9 balls from...
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