(i+under root 3)whole to the power100  +(i -under root 3)whole to the power 100 + 2 whole to the power 100=????
                   

3 years ago

Share

Answers : (1)

                                        

Dear Gurpreet,


 


w = (-1 + sqrt.3 i)/2   or w = (-1 - sqrt.3 i)/2


i2 = -1


so, w = i (i + sqrt.3 )/2 and w = i (i - sqrt.3 )/2


put value of w = (i + sqrt.3 ) and w = (i - sqrt.3 ) in given quest. and use w3 = 1 and i2 = -1 to solve the problem.


 


 


Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.


All the best.


Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian.


Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar  respectively : Click here to download the toolbar..


 


Askiitians Expert


Anil Pannikar


IIT Bombay

3 years ago

Post Your Answer

More Questions On IIT JEE Entrance Exam

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
I want to learn calculus from basics so which book should i use to master in calculus???
 
 
Hello Anup, If you want to learn the calculus from basics, then you should follow Arihant – Differential Calculus Arihant – Integral Calculus IA Maron All the three books are...
  img
Jitender Singh one month ago
i got 1011 rank in ST catgory in 2014 ,do i have a chance to get in preparartory course in iit?
 
 
The link below is IIT JEE Main Branch and College Predictor.You can use it to get the answer to your query. http://www.askiitians.com/iit-jee/main/college-branch-predictor.html Thanks...
  img
Aziz Alam one month ago
can i get information regarding iiser pune , mohali bhopal
 
 
These three IISERs have been formed in the spacing of a year, i.e., Pune (2006) , Mohali (2007) and Mohali (2008) .These colleges have their sole purpose in getting students who are...
  img
Aziz Alam one month ago
Hi , Please let me know what is global warming?
 
 
Global warming is d combined result of anthropogenic (human-caused) emissions of greenhouse gases and changes in solar irradiance , while climate change refers to any change in the state of...
 
Vijay Luxmi Askiitiansexpert 5 years ago
how is textile at iit delhi....what is avg placement salary??
 
 
textile at iit delhi is not very good branch the placments are also not good for this branch ....the avg placement salary is low in comparision of other branches.
  img
Sher Mohammad one month ago
what is state management in web application?why it is required ? give me list of state managemenet objects?
 
 
View state, control state, hidden fields, cookies, and query strings all involve storing data on the client in various ways. However, application state, session state, and profile properties...
  img
Kevin Nash 5 years ago
 
A new instance of the Web page class is created each time the page is posted to the server. In traditional Web programming, this would typically mean that all information associated with the...
  img
Jitender Pal 5 years ago
View all Questions »