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May
21
comment Why doesn't integrating the area of the square give the volume of the cube?
Yessss, it's clear now $\int\limits_0^x {{x^2}} dz = \left[ {{x^2}z} \right]_0^x = {x^2}(x) = {x^{^3}}$. Thank you again :)!!
May
21
comment Why doesn't integrating the area of the square give the volume of the cube?
Thank you, but how to solve this integral?
Dec
26
comment Proof that $B \land ( B \lor C) = B$?
I thought about it but, unfortunately, the teacher said that using truth table isn't acceptable.
Dec
26
comment Proof that $B \land ( B \lor C) = B$?
@Dennis Gulko: Thank you, I fixed it.