PS Equation

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Shadow: Senior | Next Rank: 100 Posts; Posts: 31; Joined: Thu Jun 21, 2007 9:03 pm; Location: Chennai

by Shadow » Tue Jul 10, 2007 9:31 pm

If (2-v5)x=-1, then x=

A. 2+v5
B. 1+(v5)/2
C. 1-(v5)/2
D. 2-v5
E. -2-v5

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Source: Beat The GMAT — Problem Solving | Tue Jul 10, 2007 9:31 pm

Shadow: Senior | Next Rank: 100 Posts; Posts: 31; Joined: Thu Jun 21, 2007 9:03 pm; Location: Chennai

by Shadow » Tue Jul 10, 2007 10:46 pm

Actually this was the way in which the question was presented and i did doubt if v is nothing but sqrt.....i guess it can only be solved if v is assumed as sqrt....

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