Rajesh K Singh

less info
meta site favicon meta user | stack exchange network profile network profile
1,009 reputation
12
bio website
location India
age
visits member for 10 months
seen May 22 at 14:33
stats profile views 995

BE in ELECTRICAL ENGINEERING from NIT JAMSHEDPUR

$\pi < (9.87654321)^{\frac{1}{2}}< \frac{22}{7}$


57 Answers

newest activity votes
2
What is the remainder when $25^{889}$ is divided by 99?
2
I know that, $S_{2n}+4S_{n}=n(2n+1)^2$. Is there a way to find $S_{2n}$ or $S_{n}$ by some mathematical process with just this one expression?
2
how can one solve for $x$, $\scriptsize x =\sqrt[]{2+\sqrt{2+\sqrt{2+\sqrt{2+\sqrt{2+\sqrt{2\ldots }}}}}}$
2
Proof of the divisibility rule of 17.
1
What is the remainder when $25^{889}$ is divided by 99?
1
Solve the following homogeneous differential equation
1
The figure below shows the graph of a function $f(x)$. How many solutions does the equation $f(f(x)) = 15$ have?
1
What is the value of the expression?
1
Help in proving $ \left( 1 + \frac{1}{n} \right)^{n} \leq \sum\limits_{k=0}^{n} \frac{1}{k!} < 3 $.
1
Find exact area of a circle, possible?
1
Calculus proof for the area of a circle
1
can one derive the $n^{th}$ term for the series, $u_{n+1}=2u_{n}+1$,$u_{0}=0$, $n$ is a non-negative integer
1
$\sqrt{x} +y = 4$, $x+ \sqrt{y}= 6$, find the solution $(x,y)$
1
How to integrate $\frac{1}{\sqrt{1+x^2}}$ using substitution?
1
What is a good technique for solving polynomials?
1
What function satisfies $x^2 f(x) + f(1-x) = 2x-x^4$?
1
Homework question regarding inverse function with a cosine
1
When does $q^b = (p^a - 1)/(p - 1)$?
1
How do I form this equation?
0
Integrating $\int \sqrt{\frac{1+x}{x}}dx$
0
Consider a function $f(x) = x^4+x^3+x^2+x+1$, where x is an integer, $x\gt 1$. What will be the remainder when $f(x^5)$ is divided by $f(x)$?
0
Is there an exact expression for the area of a circle, other than the approximate “$\pi r^2$”, known to the human race?
0
Integrals: $I=\int_{1}^{e}\frac{\ln x(\ln x+1)}{(1+x+\ln x)^3}dx$
0
Does anyone know of any additive periodic functions?
0
Displacement from variable forces
0
Does this equation have integer solutions
0
What is the radius of the circle in cm?
0
If $a$, $a+2$ and $a+4$ are prime numbers then, how can one prove that there is only one solution for $a$?
0
$1-\frac{1}{n} \lt x \le 3 + \frac{1}{n}$, $\forall n \in \mathbb{N}$. what is the range of $x$.
0
Is there a reasoning behind the depiction of the numbers as they are $\{1$, $2$, $3$, $4$, $5$, $6$, $7$, $8$, $9\}$?
1 2