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![[Post New]](/templates/default/images/icon_minipost_new.gif) 6 Feb 2007 11:20:43 IST
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A six faced fair dice is thrown until 1 comes, then the probability that 1 comes in even no.of trials is
(a) 5/11 (b) 5/6 (c) 6/11 (d) 1/6
and how???
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Stay Hungry. Stay Foolish. |
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6 Feb 2007 11:22:50 IST
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hiiiiiiiii well here's the solution to ur second question sec x + cosec x = sec x cosec x + 1 => (sin x+ cosx)/(sinx cos x)= (1+sinx cos x)/(sinx cos x) => sin x + cos x = 1 + sin x cos x => sin x(1-cos x) = 1-cos x => sinx =1 or cos x=1 in both the cases, we are getting sin x + cos x=1 cheeeeeerssss
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Manasi....
NIT-Allahabad...
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Challenges are High, Dreams r New..
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6 Feb 2007 11:25:12 IST
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Hey gurucharan, this is not the way to ask questions in the forum, u shud post each n every question as a different topic, m sure moderator will ask u soon!!! kindly follow the forum norms...
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Manasi....
NIT-Allahabad...
............................................................
Challenges are High, Dreams r New..
The World out thr is waiting for U !!
Dare to dream, Dare to Try..
No Goal is distant, no Star is too high !!! |
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6 Feb 2007 11:30:04 IST
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here's the answer to ur probabilty question, Let x denotes the probabilty of getting 1 and y denotes that of not getting 1, then x= 1/6 and y = 5/6 now the required probabilty = y x + y3 x + y5 x + y7 x +........... = yx (1 + y2 + y4 +.............) = xy / (1-y) [using the formula for summation of an infinte gp] = 5/6
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Manasi....
NIT-Allahabad...
............................................................
Challenges are High, Dreams r New..
The World out thr is waiting for U !!
Dare to dream, Dare to Try..
No Goal is distant, no Star is too high !!! |
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6 Feb 2007 11:56:56 IST
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EXCELLENT MANSI ,GOOD ANS PLS>KEEP ANSWERING .
WHAT IS YOUR E-MAIL ID?
PLS. TELL
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6 Feb 2007 11:59:32 IST
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WHAT ARE most probable velocity, average velocity and root mean square velocity??
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6 Feb 2007 12:03:12 IST
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thanx gurucharan, if the answers are excellent then rate my answer, n ofcourse i'll be answering, but i f u follow the forum norms, and as far as my email-id is thr, why do u need it????? I dnt see any reason of giving my id here, ask watever u wanna ask, on the forum, i'll answer!!! Hopefully its clear to u!!!
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Manasi....
NIT-Allahabad...
............................................................
Challenges are High, Dreams r New..
The World out thr is waiting for U !!
Dare to dream, Dare to Try..
No Goal is distant, no Star is too high !!! |
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6 Feb 2007 12:07:54 IST
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I RATED YOU WITH A SALUTE , BUT PLEASE ANSWER MY ABOVE QUESTION ,FOR ANOTHER SALUTE
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6 Feb 2007 12:11:03 IST
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AND UPTO WHAT EXTENT SHULD ONE LEARN THE PERIODIC TABLE??
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6 Feb 2007 12:26:00 IST
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well luk for the velocities in any physics textbuk, HCVerma or ur school textbuk, u'll get it, and as far as learning periodic table is thr, gurucharan, i havnt learned it ever, n neither m going to, so cant tell u
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Manasi....
NIT-Allahabad...
............................................................
Challenges are High, Dreams r New..
The World out thr is waiting for U !!
Dare to dream, Dare to Try..
No Goal is distant, no Star is too high !!! |
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6 Feb 2007 12:52:12 IST
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BUT I CUDNT FIND THEM EVEN IN RESNICK
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6 Feb 2007 21:05:30 IST
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dunno bout resnick, but its in HCV
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Manasi....
NIT-Allahabad...
............................................................
Challenges are High, Dreams r New..
The World out thr is waiting for U !!
Dare to dream, Dare to Try..
No Goal is distant, no Star is too high !!! |
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7 Feb 2007 14:07:58 IST
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the answer to series question is 't' and trigo question is 1
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7 Feb 2007 18:39:20 IST
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