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Feb
1
comment Solving a Recurence Relation with 2 parameters
Do you have a background about solving recurrence equations?
Feb
1
comment Find $\lim _{x\to \infty }\left(x\left(\ln\left(x+1\right)-\ln x\right)\right) $
Since we put $t=1/x$ then as $x\to \infty$ we will have $t\to 0$.
Feb
1
comment Find $\lim _{x\to \infty }\left(x\left(\ln\left(x+1\right)-\ln x\right)\right) $
@lawls: I used $\ln(a)-\ln(b)= \ln(a/b) $ then I put $ t=1/x $.
Feb
1
answered Find $\lim _{x\to \infty }\left(x\left(\ln\left(x+1\right)-\ln x\right)\right) $
Feb
1
comment Limit of a function with two variables: when do we stop looking for another value?
@epimorphic: It seems you have nothing to do!!
Feb
1
revised no. of real roots of the equation $ 1+\frac{x}{1}+\frac{x^2}{2}+\frac{x^3}{3}+…+\frac{x^7}{7} = 0$
added 127 characters in body
Feb
1
comment no. of real roots of the equation $ 1+\frac{x}{1}+\frac{x^2}{2}+\frac{x^3}{3}+…+\frac{x^7}{7} = 0$
@Serial-downvoters: I am happy to put this answer so people will benefit from it!
Feb
1
comment no. of real roots of the equation $ 1+\frac{x}{1}+\frac{x^2}{2}+\frac{x^3}{3}+…+\frac{x^7}{7} = 0$
@Did: Try not to depreciate people's work?
Feb
1
comment no. of real roots of the equation $ 1+\frac{x}{1}+\frac{x^2}{2}+\frac{x^3}{3}+…+\frac{x^7}{7} = 0$
@Did: After I gave the answer it became known for the OP!!
Feb
1
comment Problem in solving functional equation.
@tone: Is this an homework problem?
Feb
1
comment Problem in solving functional equation.
Where did this problem come from? Do you have a background for solving such problems?
Feb
1
comment How to solve this ordinary differential equation?
That's why I usually ask where the problem come from.
Feb
1
comment How to solve this ordinary differential equation?
Have you tried maple or mathematica?
Feb
1
comment Evaluating the Definite Integral $\int_0^{\pi}\cos^{2n} \theta d\theta$
I tried Mathematica alpha and Maple but no answer! By the way what integration techniques have you known?
Feb
1
comment Limit of a function with two variables: when do we stop looking for another value?
@GitGud: Sorry I do not have much time!
Feb
1
comment Limit of a function with two variables: when do we stop looking for another value?
The limit exists!!!!!!
Feb
1
revised Limit of a function with two variables: when do we stop looking for another value?
added 32 characters in body
Feb
1
comment Limit of a function with two variables: when do we stop looking for another value?
@Braindead: When it exists we can use it?
Feb
1
comment Polynomials and difference operator
It should be $\Delta^{d+1} f $ not $ \Delta f^{k+1} $.
Feb
1
comment Solving System of 2 simple odes
Yes you are right! See this.