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ketkoag: Legendary Member; Posts: 876; Joined: Thu Apr 10, 2008 8:14 am; Thanked: 13 times

by ketkoag » Thu Apr 30, 2009 10:55 am

If x > 0, then 1/[v(2x)+vx] =

A. 1/v(3x)
B. 1/[2v(2x)]
C. 1/(xv2)
D. (v2-1)/vx
E. (1+v2)/vx

this is a problem from sets, i couldn't get it. my ans: A
OA: D

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Source: Beat The GMAT — Problem Solving | Thu Apr 30, 2009 10:55 am

tdadic84: Master | Next Rank: 500 Posts; Posts: 111; Joined: Sat Sep 27, 2008 12:41 pm; Thanked: 1 times

by tdadic84 » Thu Apr 30, 2009 11:03 am

i think this is a typo..and OA has to be A...please double check...

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ketkoag: Legendary Member; Posts: 876; Joined: Thu Apr 10, 2008 8:14 am; Thanked: 13 times

by ketkoag » Thu Apr 30, 2009 8:23 pm

i am sure that this is what i have in my sets. i also think there is some thing missing or incomplete, might be the problem with the set..
anyways thanks for the reply..

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dumb.doofus: Master | Next Rank: 500 Posts; Posts: 435; Joined: Sat Sep 27, 2008 2:02 pmFollowed by: 1 member; Location: San Jose, CA; Thanked: 43 times; GMAT Score:720

by dumb.doofus » Thu Apr 30, 2009 8:59 pm

Guys this is a much simpler problem than you think and the answer is indeed D

HTH

One love, one blood, one life. You got to do what you should.
https://dreambigdreamhigh.blocked/
https://gmattoughies.blocked/

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scoobydooby: Legendary Member; Posts: 1035; Joined: Wed Aug 27, 2008 10:56 pmFollowed by: 1 member; Thanked: 104 times

by scoobydooby » Fri May 01, 2009 1:33 am

thats smart dumb.dufoos!

i had been thinking it was v and not the square root notation

. bet ketkoag and tdadic were also doing the same

ps: how do you write the sq. root notation without using the "^"?

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dumb.doofus: Master | Next Rank: 500 Posts; Posts: 435; Joined: Sat Sep 27, 2008 2:02 pmFollowed by: 1 member; Location: San Jose, CA; Thanked: 43 times; GMAT Score:720

by dumb.doofus » Fri May 01, 2009 8:37 am

scoobydooby wrote:thats smart dumb.dufoos!

i had been thinking it was v and not the square root notation . bet ketkoag and tdadic were also doing the same

ps: how do you write the sq. root notation without using the "^"?

Thanks buddy..

well, I use MS word for writing these equations.. and then upload that as an image here..

One love, one blood, one life. You got to do what you should.
https://dreambigdreamhigh.blocked/
https://gmattoughies.blocked/

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