Question

Which term in the expansion of (9^2-2/9)^18 will have 9^12?

Answer 1

could u pls use eqn editor?

Answer 2

\[(9^2-2/9)^{18}\]

Answer 3

k

Answer 4

u can use the general term formula ,here take a as 9^2 then solve for r with n-r=6

Answer 5

the term will be r+1

Answer 6

@nehakatyal no rewards?

Answer 7

That is not the answer

Answer 8

ahem... u expect me to do the entire qn?

Answer 9

I was actually looking for the answer

Answer 10

@AravindG :D Heree! Take it

Answer 11

thx

Answer 12

I got r=8

Answer 13

Thanks

Answer 14

Sorry by mistake I deleted it. The naswer is 9th term :)

Answer 15

*answer

Answer 16

That is not the option:(

Answer 17

:P

Answer 18

y are most students lazy?

Answer 19

LOLOL.. :P

Answer 20

so r u @AravindG :D

Answer 21

@integralsabiti i hav clearly told her what to do she is not doing it still and note:i am not good in long latex writing!!

Answer 22

look she is busy with new qn now without evn bothering to get the answer herself

Answer 23

Aravind G - I tried solving it but I am unable to so that is why I posted here for help. Anyways thanks for your help!!!

Answer 24

tell me where u gt stuck

Answer 25

I am getting 13 as the answer but that is not in option- I tried it by binomial

Answer 26

Ok let me try and correct me wherever I am wrong @AravindG

Answer 27

:P ya proceed

Answer 28

be fast i gtg soon

Answer 29

@shivam_bhalla she left!!

Answer 30

no problem. Let me increase my knowledge atleast :P

Answer 31

srry yaar i gtg

Answer 32

No problem :)