# Education

Gaurav Tiwari is one of the top Education bloggers online, specializing in exam preparation, online learning and career development.

## Derivative of x squared is 2x or x ? Where is the fallacy?

We all know that the derivative of $x^2$ is 2x. But what if someone proves it to be just x?

## Solving Ramanujan’s Puzzling Problem

Consider a sequence of functions as follows:- $f_1 (x) = \sqrt {1+\sqrt {x} }$ $f_2 (x) = \sqrt{1+ \sqrt {1+2 \sqrt {x} } }$ $f_3 (x) = \sqrt {1+ \sqrt {1+2 \sqrt {1+3 \sqrt {x} } } }$ ……and so on to \$ f_n (x) = \sqrt {1+\sqrt{1+2 \sqrt…

## Its a Mystery! – Simulacrum in Eagle Nebula

This is one of the top mysteries of universe.

## 20 Most Endangered Rivers in the World

Well in today’s era where we all are just running to meet our deadlines and progressing at a massive rate, we are forgetting that we are mere tenants on this planet Earth. It is so aching to see natural water bodies dying just because of human intervention and growing industrialization. At times the situation is…

## Introduction to the Universe

Stars The universe is vast and amazing. There are many millions of trillions of stars in the sky, most of them being bigger than our sun. Stars account for 98% of the matter in a galaxy. The rest of 2% consists of interstellar or galactic gas & dust in a very attenuated form. The normal…