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Rohinb97's user avatar
Rohinb97's user avatar
Rohinb97
  • Member for 10 years, 11 months
  • Last seen more than a month ago
8 votes

Quadratic equation system $A^2 + B^2 = 5$ and $AB = 2$

7 votes

I can't remember a fallacious proof involving integrals and trigonometric identities.

3 votes
Accepted

Given that a,b,c are distinct positive real numbers, prove that (a + b +c)( 1/a + 1/b + 1/c)>9

3 votes

How many ways are there to represent the number $N$?

2 votes

How do i solve $e^{ax}-e^{bx}=c$ for $x$?

2 votes

How are 55 minutes gained in 60 minutes by minute hand?

2 votes

If the difference of cubes of two consecutive integers is a square, then the square can be written as the sum of squares of two different integers.

2 votes

In how many ways can $3$ balls be tossed into $3$ boxes?

2 votes

% of % - Please Help Me Prove My Friend Wrong

2 votes

Divisibility of polynomial

2 votes

Can this equation be factored down? $\frac{(2^{y}-2) - 2^{y-x}}{2^{y}-1} $

1 vote

What is the best shaped blanket for my bed? (minimizing average work done in pulling it up when it falls off)

1 vote

Proof by contradiction to show that if $x^2 +2x-3=0$ then $x\neq 2$

1 vote

Solve these equations simultaneously

0 votes

prime factors of $3^{32}-2^{32}$

0 votes

Floor of log equation $S=\left(\lfloor\log_{10}(x)\rfloor+1\right)x - \frac{10^{\lfloor\log_{10}(x)\rfloor+1}-10}{9}$

0 votes

Solve this equation $\log_2x=\log_{5-x}3$

0 votes

How many values of $x$ are there such that $\sqrt{x(x+p)}$ is a positive integer for some $p$?

0 votes

Permutations and Combinations questions

0 votes

Finding the integer solutions of $246x + 217y = 3$

0 votes

Conditional probability question about students owning cars and bikes

0 votes

Surface Area/Volume Problem

0 votes

Find the equation of a parabola (in general form)

0 votes

A question on co-ordinates of intersecting lines...Given in picture below

0 votes

What's wrong with these equations?

0 votes

Simplify: $\sin \frac{2\pi}{n} +\sin \frac{4\pi}{n} +\ldots +\sin \frac{2\pi(n-1)}{n}$.

0 votes
Accepted

Calculation involving binomial coefficients

0 votes

Prove Summation to Some Number $n$

0 votes

If $x^2+x+1=0 $, then find the value of $(x^3+1/x^3)^3$?

0 votes

What is the expression for the sum of this series?