Sigma for x squared

mathwiz3502 Posts: 121, Reputation: 1

Junior Member

Nov 29, 2009, 05:54 AM

Sigma for x squared

$\displaystyle\sum_{i=1}^n i = 2n-1$
does this equal $n^2$ ?

mathwiz3502 Posts: 121, Reputation: 1

Junior Member

Nov 29, 2009, 05:55 AM

for any positive integer

Add your answer here.

Check out some similar questions!

Chi squared query [ 1 Answers ]

Can I plug my own expected frequencies into a chi squared test or do I have to use the model described in text books (i.e. summing rows and columns)? For example, if the expectation is that the ethnic composition of a workforce should mirror that of the local community, can I use the workforce...

ESET and A-squared Free [ 1 Answers ]

Is it safe (compatible) to use the same time Eset smart security with A-squared Free? Regards!

Energy equals the speed of light squared? [ 1 Answers ]

Why did Einstein use "c-squared" in his famous equation? I understand energy equals the speed of light squared, but what does the speed of light have to do with it and why square this quantity?

Statistics:likert scale-chi squared test [ 0 Answers ]

Hi, Hope someone can help. I'm doing a stats project on job satisfaction at an advertising firm. We did a likert scale questionnaire and have done bargraphs but I'm unsure how to go about doing the chi-squared test and what exactly to do the test on. Do I do it on each question, groups of...

TRigonometry squared because [ 1 Answers ]

How do u get rid of squared because