freckles
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Questions Asked

freckles:
Group Title
I have a really dumb question about direction fields. I actually just started to try to learn about them.
 updated 3 days ago
 14 replies
 No Medals Yet
Mathematics

freckles:
Group Title
Something that sorta confuses me...
I know what rate of change is... but it confuses me when someone ask what line has the greatest rate of …
 updated one month ago
 1 reply
 1 Medal
Mathematics

freckles:
Group Title
\[\text{ Let } \\ u=1+\frac{x^3}{3!}+\frac{x^6}{6!}+\frac{x^9}{9!}+\cdots \\ v=x+\frac{x^4}{4!}+\frac{x^7}{7!}+\frac{x^{10}}{10!}+\cdots \\ …
 updated one month ago
 55 replies
 5 Medals
Mathematics

freckles:
Group Title
Pretend you have an equilateral triangle and you have circles of equal diameter packed tightly inside... how do you figure out the length of…
 updated one month ago
 69 replies
 4 Medals
Mathematics

freckles:
Group Title
\[\int \frac{1}{x} dx \\ =\int \frac{\ln(x)}{\ln(x)} \cdot \frac{1}{x} dx=\int \frac{1}{\ln(x)} \cdot \frac{\ln(x)}{x} dx \\ =\frac{1}{\ln(…
 updated one month ago
 35 replies
 3 Medals
Mathematics

freckles:
Group Title
\[x^3+3x^2+3x+1 \\ x^3+1+3x^2+3x \\ (x+1)(x^2x+1)+3x(x+1) \\ (x+1)(x^2x+1+3x) \\ (x+1)(x^2+2x+1) \\ (x+1)(x+1)^2 \\ (x+1)^3 \\ \text{ So }…
 updated one month ago
 99 replies
 8 Medals
Mathematics

freckles:
Group Title
Example for @SolomonZelman
\[\int_1^4 \sqrt{x} dx= \frac{2x^\frac{3}{2}}{3} _1^4 = \\ \frac{2(4)^\frac{3}{2}}{3}\frac{2(1)^\frac{3}{2}}{…
 updated one month ago
 36 replies
 5 Medals
Mathematics

freckles:
Group Title
Write 74057 as a product of two primes. No calculators please.
 updated one month ago
 35 replies
 7 Medals
Mathematics

freckles:
Group Title
I think it is cute.
If a number has a even amount of digits and given a certain type of symmetry, the number can be factored like this for e…
 updated one month ago
 48 replies
 4 Medals
Mathematics

freckles:
Group Title
Evaluate \[\int_0^1(12x)(xx^2)^{2014} dx\]
 updated one month ago
 21 replies
 5 Medals
Mathematics

freckles:
Group Title
Dumb question. We can't draw graphs in just in latex right? Like there needs to be additional plug ins or whatever, right?
 updated 2 months ago
 7 replies
 2 Medals
Mathematics

freckles:
Group Title
Is there anyway we can show that 2[2*k(k+1)]+1 generates all odd squares?
 updated 2 months ago
 50 replies
 4 Medals
Mathematics

freckles:
Group Title
@cebroski
I don't know if you were interested an comparing antiderivatives or not but you can come here if you do... Like pretend we want t…
 updated 2 months ago
 11 replies
 4 Medals
Mathematics

freckles:
Group Title
Solve for a(x+y) given that a is negative, (x+y) is positive, and
2ax^2+4axy+2ay^2axay=1
 updated 4 months ago
 121 replies
 3 Medals
Mathematics

freckles:
Group Title
Prove or disprove: Let A,B, and C be functions of x such that C(x)=A(x)+B(x). If C(x) is linear function, then A(x) and B(x) are also linear…
 updated 4 months ago
 6 replies
 3 Medals
Mathematics

freckles:
Group Title
Rabbits and Dogs!
A dog sees a rabbit running in a straight line across an open field and gives chase. In a rectangular coordinate syste…
 updated 5 months ago
 51 replies
 2 Medals
Mathematics

freckles:
Group Title
Fun Calculus quesiton:
Suppose f(1)=f'(1)=0, f'' is continuous on [0,1] and f''(x)<=3 for all x. W.T.S \[  \int_0^1f(x) dx \le \frac{1}{…
 updated 5 months ago
 49 replies
 2 Medals
Mathematics

freckles:
Group Title
A university in Alabama has 1000 employees. Four hundred of the employees have at least 20 years of experience (event A), 100 are African A…
 updated 2 years ago
 19 replies
 3 Medals
Mathematics

freckles:
Group Title
Use the formal definition of derivative here:
Find f'(x) if \[f(x)=sqrt{x^4x}+2\].
 updated 3 years ago
 2 replies
 1 Medal
Mathematics