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#276 Help Me ! » probability » 2011-11-06 02:43:11

juantheron
Replies: 3

two numbers

and
are chosen at random without replacement from the set 
.

Find the probabilty that

  is divisable by 

edit it

#277 Re: Help Me ! » max. value » 2011-11-06 02:39:20

Thanks benice you are Right.

But can you explain me Why we take {d(P,A) - d(P,C)} + {d(P,B) - d(P,D)}

We also take {d(P,A) - d(P,D)} + {d(P,B) - d(P,C)}

#278 Help Me ! » remainder » 2011-11-03 15:26:48

juantheron
Replies: 1

find remainder when

is divisible by

#279 Re: Help Me ! » Max. and Min. » 2011-11-01 15:31:16

Thanks bobbym for Nice Use of lagrange Multiplier Method.

PS: can we solve it Using Trig. substution

#281 Help Me ! » Max. and Min. » 2011-10-29 17:21:10

juantheron
Replies: 3

If

and
.Them find Max.

and Min. value of

#282 Help Me ! » probability » 2011-10-29 17:15:49

juantheron
Replies: 1

how many six digit no. can be form without repition odd no. at odd place ,even no. at even place which is divisible by

#285 Help Me ! » quadratic equation » 2011-10-28 12:46:26

juantheron
Replies: 9

if the equation

does not have
distinct real roots and

then prove that

.

#286 Help Me ! » minimum distance » 2011-10-26 05:47:29

juantheron
Replies: 2

A family of lines in parameters

and
given by
represents rivers flowing in the
plane. A man at origin is thirsty and wants to drink from the closest river. What is the minimum distance he has to travel?

#288 Re: Help Me ! » Integral » 2011-10-26 01:40:13

Thanks bobbundy i have got your hint.

also got given integral

#289 Re: Help Me ! » biquadratic equation » 2011-10-26 01:20:55

juantheron wrote:

Find the values of 

for which the equation

has atleast one real root.

Thanks bobbym for nice solution.

I have solved in this way

Now here

so We can divide by 

now Let

where

So

for at least one real roots.

so

Now from here what can i do..

help required.

#290 Help Me ! » biquadratic equation » 2011-10-25 23:21:26

juantheron
Replies: 5

Find the values of 

for which the equation

has atleast one real root.

#291 Help Me ! » binomial » 2011-10-25 14:17:16

juantheron
Replies: 1

find coefficient of

in

#294 Re: Help Me ! » minimum of (n_{1}+n_{2}+n_{3}) » 2011-10-23 13:08:19

Thanks bobym.. I dont have a knowledge od Diophantine equation..

So would you like to give me a document of Diophantine equation..

thanks.

#296 Help Me ! » value of alpha » 2011-10-23 13:04:33

juantheron
Replies: 2

The values of

for which the point 
  lies in the larger segment of the circle

made by the chord whose eqn is
are

#298 Help Me ! » minimum of (n_{1}+n_{2}+n_{3}) » 2011-10-20 15:51:25

juantheron
Replies: 3

If

Then Minimum value of

Where

#299 Re: Help Me ! » all positive integer pair (n,r) » 2011-10-20 15:48:13

bob bundy I want more explanation for that.

#300 Re: Help Me ! » vector » 2011-10-20 15:46:46

Thanks bobbundy. got it

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