UPSC Exam > UPSC Videos > CSAT Preparation > Shortcut Tricks to find Cube Roots
Shortcut Tricks to find Cube Roots Video Lecture | CSAT Preparation - UPSC
FAQs on Shortcut Tricks to find Cube Roots Video Lecture - CSAT Preparation - UPSC
| 1. What are some shortcut tricks to find cube roots easily? |  |
Ans. Some effective shortcut tricks to find cube roots include memorizing the cubes of numbers 1 to 10, using the prime factorization method, and applying estimation techniques. For example, if you need to find the cube root of 27, you can quickly recall that \(3^3 = 27\), hence the cube root of 27 is 3.
| 2. How can I find the cube root of a number that is not a perfect cube? | |
Ans. To find the cube root of a non-perfect cube, you can use estimation methods. First, identify the two perfect cubes between which your number lies. For example, to find the cube root of 50, note that \(3^3 = 27\) and \(4^3 = 64\). The cube root of 50 will be between 3 and 4. Further refinement can be done by checking \(3.5^3\) and adjusting accordingly.
| 3. Are there any specific formulas for calculating cube roots? | |
Ans. Yes, one common formula for calculating cube roots is the Newton-Raphson method, which iteratively approximates the root. For a number \(x\), you can start with an initial guess \(y_0\) and use the formula \(y_{n+1} = \frac{2y_n + \frac{x}{y_n^2}}{3}\) until you reach a satisfactory precision.
| 4. Can I use a calculator to find cube roots, and is it reliable? | |
Ans. Yes, most scientific calculators have a cube root function, often denoted as \( \sqrt[3]{x} \). This method is reliable for quick calculations, especially for larger numbers. However, knowing how to estimate or calculate cube roots manually can be beneficial for understanding and problem-solving in exams.
| 5. What are some common mistakes to avoid when calculating cube roots? | |
Ans. Common mistakes include confusing the cube root with the square root, overlooking negative signs (since the cube root of a negative number is also negative), and miscalculating the estimation by not checking the surrounding perfect cubes. Always verify your final answer by cubing it to ensure it matches the original number.
About this Video
4.86/5
Rating
Oct 19, 2025
Last updated
Related Exams
Video Description: Shortcut Tricks to find Cube Roots for UPSC 2025 is part of CSAT Preparation preparation.
The notes and questions for Shortcut Tricks to find Cube Roots have been prepared according to the UPSC exam syllabus.
Information about Shortcut Tricks to find Cube Roots covers all important topics for UPSC 2025 Exam.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for Shortcut Tricks to find Cube Roots.
Introduction of Shortcut Tricks to find Cube Roots in English is available as part of our CSAT Preparation for UPSC & Shortcut Tricks to find Cube Roots in
Hindi for CSAT Preparation course. Download more important topics related with notes, lectures and mock test series for
UPSC Exam by signing up for free.
Description
Video Lecture & Questions for Shortcut Tricks to find Cube Roots Video Lecture | CSAT Preparation - UPSC - UPSC full syllabus preparation | Free video for UPSC exam to prepare for CSAT Preparation.
Information about Shortcut Tricks to find Cube Roots
Here you can find the meaning of Shortcut Tricks to find Cube Roots defined & explained in the simplest way possible.
Besides explaining types of Shortcut Tricks to find Cube Roots theory, EduRev gives you an ample number of questions to practice Shortcut Tricks to find Cube Roots tests,
examples and also practice UPSC tests.
Related Searches
video lectures
,Shortcut Tricks to find Cube Roots Video Lecture | CSAT Preparation - UPSC
,Semester Notes
,study material
,Extra Questions
,Exam
,Objective type Questions
,practice quizzes
,Free
,Shortcut Tricks to find Cube Roots Video Lecture | CSAT Preparation - UPSC
,Shortcut Tricks to find Cube Roots Video Lecture | CSAT Preparation - UPSC
,MCQs
,Sample Paper
,past year papers
,shortcuts and tricks
,ppt
,Important questions
,Summary
,Viva Questions
,Previous Year Questions with Solutions
,mock tests for examination
;
Study Shortcut Tricks to find Cube Roots on the App
Students of UPSC can study Shortcut Tricks to find Cube Roots alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the Shortcut Tricks to find Cube Roots,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of Shortcut Tricks to find Cube Roots is prepared as per the latest UPSC syllabus.
|
© EduRev
|
Education Revolution
|
|
Signup on EduRev and stay on top of your study goals
10M+ students crushing their study goals daily