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## Let a1  ,  a2,  ……., a100 be non zero real number such that a1 + a2 + …… + a100 = 0    then a.   ∑100i=1  at  2ai    > 0  and  ∑100i=1  ai 2-ai <0 b.  ∑100i=1  at  2ai    >= 0  and  ∑100i=1  ai 2-ai  >=0 c.  ∑100i=1  at  2ai    <= 0  and  ∑100i=1  ai 2-ai <=0 d.  the sign of  ∑100i=1  at  2ai or ∑100i=1  at  2ai depends on the choice of ai’s

Asked by Anil 22nd August 2017 8:29 PM

## Ques 18 and 15

Asked by rbhatt16 12th October 2017 5:03 PM

## ques 3 , 7 and 11

Asked by rbhatt16 12th October 2017 5:20 PM

## quez 4 , 7 and 11

Asked by rbhatt16 12th October 2017 5:24 PM

## ques 17

Asked by rbhatt16 12th October 2017 5:26 PM

## The question is attached above. Please send the detailed solution.

Asked by sudhanshubhushanroy 10th November 2017 4:01 AM

## ques 35

Asked by chandanbr6004 11th November 2017 12:33 AM

## The Binomial theorem related question as well as part of the solution in attached above. Please arrange to send the remaining solution step by step. Unless you provide the complete end solution the very purpose of getting answer or solution asked from uou is defeated. So please take care this point in sending the solution of each and every problem in future..

Asked by sudhanshubhushanroy 14th November 2017 9:40 AM

## ques no 6

Asked by chandanbr6004 15th November 2017 9:42 PM

## ques 28

Asked by chandanbr6004 19th November 2017 5:32 PM

## The question is attached above.

Asked by sudhanshubhushanroy 19th November 2017 9:07 PM

## The question is attached above.

Asked by sudhanshubhushanroy 19th November 2017 9:09 PM

## The question is attached above.

Asked by sudhanshubhushanroy 19th November 2017 9:14 PM

## The question is attached above. Please send the step by step complete solution.

Asked by sudhanshubhushanroy 20th November 2017 8:12 AM

## Pls solve

Asked by g_archanasharma 10th April 2018 10:08 AM

## Pls solve

Asked by g_archanasharma 10th April 2018 10:12 AM

## Solve this

Asked by Sddmath2015 4th September 2018 11:24 PM

### CBSE XI Science Mathematics Sequences and Series

Asked by Apoorva 19th September 2018 10:04 AM

## Check whether 301 is the sequence 5 ,11 ,17 ,23,....?

Asked by rajeshjaiswal 3rd November 2018 9:20 PM

## Sir pls solve this question.

Asked by rsudipto 14th December 2018 9:51 AM