UrbanPro

Take Tuition from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

1+2+3+4..... Find the ans.. using this formula n(n+1)/2

Asked by Last Modified  

3 Answers

Learn Tuition

Follow 0
Answer

Please enter your answer

n (a + l) / 2 where n = number of terms, a = first term and l = last term or n (2a + (n-1) d) / 2 where a = 1st term, n = total number of terms and d = common difference
Comments

Trainer

please refer: http://en.wikipedia.org/wiki/1_%2B_2_%2B_3_%2B_4_%2B_%E2%8B%AF
Comments

Engineer

yes that is correct as it is an arithmetic series but the answer will be infinity
Comments

View 1 more Answers

Related Questions

Which book is good for mathematics for Class IX-X?
Better go through NCERT books.
Rajendra
WHAT IS MEANING OF MOMENT OF INERTIA?
Moment of inertia is the mass property of a rigid body that determines the torque needed for a desired angular acceleration about an axis of rotation. Moment of inertia depends on the shape of the body...
Ravi Ranjan
1 0
8
X-rays are __________. (Positively charged particles, Negatively charged particles, Neutral particles, None of these)
These are a form of electromagnetic waves of very short wavelength. Based on radiation's dual nature, they may be treated as a stream of high energy particles called photons. Photons are electrically neutral.
Narendra Kumar

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Is Economics Only Dy/Dx Or A Difference Equation Or Something More That Require In Depth Anaysis?
Basic Econmics Thinking: II Economics underwent dramatic changes in 1920's & 1930's. Economics became more analytical & quantitative with the advent of Micro & Macroeconomics, with well developed...

स्था ⁄ तिष्ठ् धातु (ठहरना) – परस्मैपदी
(लट् लकार: Present Tense ) एकवचनम् द्विवचनम् बहुवचनम् प्रथमपुरुष: तिष्ठति तिष्ठतः तिष्ठन्ति मध्‍यमपुरुष: तिष्ठसि तिष्ठथः तिष्ठथ उत्‍तमपुरुष: तिष्ठामि तिष्ठावः तिष्ठामः (लृट्...

Learn a language
Learning how to spek a new language, especially when you know multiple languages can be challenging. The easiest trick is to think in that language. Translating in your mind spoils the vocabulary and...

Amruta Purandare

0 0
0

Employability Skills to Get a Dream Job
What is employability? Employability means the quality of being suitable for a paid job. Why do Employability skills require? Employability skills needed for three reasons 1. To get the job 2. To...

Difference Between Atom and Molecule
An atom is smallest particle in an element that has the properties of the element. It is not possible to breakdown the atom further retaining the properties of the element. Atoms are not visible to the...

Recommended Articles

Appearing for exams could be stressful for students. Even though they might have prepared well, they could suffer from anxiety, tension etc. These are not good for their health and mind. However, following a few exam preparation tips can save them from all these and help them to score good marks. Let’s find out all...

Read full article >

Learning for every child starts from a very young age. While the formal methods include school curriculums and private lessons, the informal methods include dancing, music, drawing, and various fun-filling activities. Playing games and practising these types of activities helps the children get out of boredom and...

Read full article >

With the current trend of the world going digital, electronic renaissance is a new movement that is welcomed by the new generation as it helps makes the lives of millions of people easier and convenient. Along with this rapidly changing movement and gaining popularity of Internet, e-Learning is a new tool that emerging...

Read full article >

E-learning is not just about delivering lessons online. It has a much broader scope that goes beyond manual paper or PowerPoint Presentations. To understand the reach of E-learning and how the whole process works in developing the Educational system, we will discuss a few points here. Let us find out how this new learning...

Read full article >

Looking for Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Tuition Classes?

The best tutors for Tuition Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Tuition with the Best Tutors

The best Tutors for Tuition Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more