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Feb
2
comment Solid of revolution about a slanted line
How could u = x and u = x + dx at the same time?
Feb
2
comment Solid of revolution about a slanted line
But that's avoiding the problem...
Jan
4
comment Is there actually a difference when we say 'perpendicular' vs 'tangent'
Sorry but what do you mean when you say "two lines in Euclidean space are tangent if they are the same line"? Those are parallel lines yes? Lines are tangent lines to themselves?
Jan
1
comment Finding an equation for a circle given its center and a point through which it passes
Perhaps if you understand what a circle is, it may help. A circle is really just all points on the plane equidistant from the center.
Jan
1
comment Inequality; when we switch signs? From basic to complicated
Actually what happens if we have f(a) < g(b)? What if I apply h(x) to it? That is does the idea still hold if I do H(f(a)) < H(g(b))?
Jan
1
comment Inequality; when we switch signs? From basic to complicated
Woah! that's really helpful! I learned the definition of "strictly increasing/increasing" etc from sequences so I am familiar with them now!
Dec
29
comment What are the properties of a prime number?
@Daniel, that answer my question. I am indeed looking for a "general" form. Almost like a formula with what I have.