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GBlog
Frontend Developer Roadmap 2024
Frontend development means to design the face of a website or application. It involves working on the appearance of the website. Building interactive buttons, using images...
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Class 10 NCERT Solutions- Chapter 13 Surface Areas And Volumes - Exercise 13.1
Question 1. 2 cubes each of volume 64 cm3 are joined end to end. Find the surface area of the resulting cuboid.Solution:Volume of cube=64cm3 = (side)3(Side)3 = 64Side = (6...
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Mathematics
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NCERT
Class 10
NCERT Solutions Class-10
PostgreSQL - Transactions
The Transaction is not a new word we are hearing. We heard that word many times like "Cash Transaction". Banks usually deal with cash i.e sending or receiving cash, hence ...
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Technical Scripter
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PostgreSQL
postgreSQL-managing-database
Technical Scripter 2020
Class 12 RD Sharma Solutions - Chapter 6 Determinants - Exercise 6.1
Question 1: Write minors and co-factors of each element of first column of the following matrices and hence evaluate determinant.[Tex]i) A= \begin{bmatrix} 5 20\\ 0-1\\ \e...
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Mathematics
School Learning
Class 12
RD Sharma Solutions
RD Sharma Class-12
Class 9 NCERT Solutions- Chapter 9 Areas of Parallelograms And Triangles - Exercise 9.4
Question 1. Parallelogram ABCD and rectangle ABEF are on the same base AB and have equal areas. Show that the perimeter of the parallelogram is greater than that of the re...
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Mathematics
School Learning
NCERT
Class 9
NCERT Solutions Class-9
PostgreSQL - Row Type Variables
PostgreSQL uses the Row type variables to store a whole row of a result set returned by the select into statement.Declaration :We can declare a row type variable that has ...
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PostgreSQL
postgreSQL-managing-table
Technical Scripter 2020
Class 12 RD Sharma Solutions - Chapter 2 Functions - Exercise 2.1 | Set 2
Question 12: Show that the exponential function f: R → R, given by f(x) = ex is one one but not onto. What happens if the codomain is replaced by Ro+.Solution:We have f: R...
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Mathematics
School Learning
Class 12
RD Sharma Solutions
RD Sharma Class-12
Class 9 RD Sharma Solutions - Chapter 4 Algebraic Identities- Exercise 4.1 | Set 2
Question 8. If x2 +1/x2 = 79, find the value ofx +1/xSolution:Given, x2 +1/x2 = 79Let us take the square of x + 1/xSo, (x + 1/x)2 = (x)2 + (1/x)2 + 2 × (x) × (1/x)Since, (...
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Mathematics
School Learning
Class 9
RD Sharma Solutions
RD Sharma Class-9
Class 9 RD Sharma Solutions - Chapter 4 Algebraic Identities- Exercise 4.1 | Set 1
Question 1. Evaluate each of the following using identities:(i) (2x – 1/x)2(ii) (2x + y) (2x – y)(iii) (a2b – b2a)2(iv) (a – 0.1) (a + 0.1)(v) (1.5.x2 – 0.3y2) (1.5x2 + 0....
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Mathematics
School Learning
Class 9
RD Sharma Solutions
RD Sharma Class-9
Range Update without using Lazy Propagation and Point Query in a Segment Tree
Given an array arr[] consisting of N 0s and a 2D array Q[][] consisting of queries of the following two types:1 L R X: Increment all the elements in the range [L, R] by X....
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Arrays
Advanced Data Structure
Technical Scripter
Segment-Tree
array-range-queries
Technical Scripter 2020
DSA
Class 12 RD Sharma Solutions- Chapter 20 Definite Integrals - Exercise 20.4 Part A
Evaluate each of the following integrals (1-16):Question 1.[Tex]\int\limits_0^{2π}\frac{e^{sinx}}{e^{sinx}+e^{-sinx}}dx[/Tex]Solution:We know that[Tex]\int\limits_0^{2π }f...
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Mathematics
School Learning
Class 12
RD Sharma Solutions
RD Sharma Class-12
Flutter - Provider Package
The provider package is an easy to use package which is basically a wrapper around the InheritedWidgets that makes it easier to use and manage. It provides a state managem...
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android
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Flutter
Dart
Flutter
Flutter - File Structure
Flutter in 2021 is the rising star in the field of cross-platform app development. Be it a student's college project, a small startup, a unicorn or big tech giants all are...
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android
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Flutter
Dart
Flutter
Class 12 RD Sharma Solutions - Chapter 31 Probability - Exercise 31.1
Question 1: Ten cards numbered 1 through 10 are placed in a box, mixed up thoroughly and then one card is drawn randomly. If it is known that the number on the drawn card ...
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Mathematics
School Learning
Technical Scripter 2020
RD Sharma Solutions
RD Sharma Class-12
10 Best Tips to Get Started with Codeforces
It is needless to say the importance of competitive programming in any Software Engineer's journey. Most of the beginners have no idea how to use Codeforces and end up was...
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GBlog
Competitive Programming
DSA
Class 10 NCERT Solutions- Chapter 12 Areas Related to Circles - Exercise 12.3 | Set 1
Question 1. Find the area of the shaded region in Fig., if PQ = 24 cm, PR = 7 cm and O is the center of the circle.Solution:In fig. By Pythagoras theoremRQ2=RP2+PQ2RQ2=(7)...
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Mathematics
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NCERT
Class 10
NCERT Solutions Class-10
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