In mathematics, a differential equation is an equation that relates one or more functions and their derivatives. In this article, we are going to discuss… Read More

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Question 1. Find the equation of the line parallel to the x-axis and passing through (3, -5). Solution: Let the equation of line be: y… Read More

Question 11: Differentiate sin-1(2x√(1-x2)) with respect to tan-1(x/√(1-x2)) if -1/√2<x <1/√2. Solutions: Let u = sin-1(2x√(1-x2)) Substitute x = sin θ ⇒ θ = sin-1x… Read More

Question 1: Differentiate x2 with respect to x3. Solution: Let u = x2, and let v = x3 Differentiating u with respect to x, du/dx… Read More

I would love to share my on-campus placement experience with Cognizant. Cognizant conducted an online exam on the Amcat platform for our college Jadavpur University… Read More

Preliminary Round: This round consists of 3 Sections which comprises of 60 questions Section 1 Aptitude Questions 20 Questions Section… Read More

jQuery plugins enhance an application with features that would generally take a long time to program correctly. However, some plugins are useful in providing entertainment… Read More

Given a numberic string N (1 ≤ |N| ≤ 105) and another numeric string S (1 ≤ |S| ≤ 105), the task is to find… Read More

Doesn’t matter if you’re a student or a working professional – a common question that generally strikes in almost every individual’s mind is ‘How to… Read More

Given a string str consisting of N lowercase characters and an array Q[][] with each row of the form {l, r} representing a query. For… Read More

Hashedin now taken by Deloitte came to our campus in pandemic times in August. It is a good company as told by my seniors. The… Read More

Transpose of a matrix is obtained by changing rows to columns and columns to rows. In other words, transpose of A[][] is obtained by changing… Read More

1. Usability Testing : Usability Testing is a testing method for measuring how easy and user-friendly a software application is. It is also known as… Read More

Preprocessor Directives are programs that process our source code before compilation. There are a number of steps involved between writing a program and executing a… Read More

Given an array arr[] consisting of a permutation of first N natural numbers, the task is to find the maximum possible value of ΣGCD(arr[i], i)… Read More

Following are some simple steps in order to connect our static Web Page with Firebase. Step by Step Implementation: Step 1: Firstly, We are going… Read More

Prerequisites: Tkinter File organization is helpful when you are trying to find a specific one in a pool of files and directories. It seems time-consuming… Read More

Pandas library is useful for performing exploratory data analysis in Python. A pandas dataframe represents data in a tabular format. We can perform operations on… Read More

Prerequisites: Matplotlib In Matplotlib, we can draw multiple graphs in a single plot in two ways. One is by using subplot() function and other by… Read More

A fast Fourier transform (FFT) is an algorithm to compute the discrete Fourier transform (DFT) and its inverse. Fourier analysis converts time (or space) to… Read More