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What is the value of x + y? (1) x^2 +y^2 = 5 (2) xy = 2

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Manager
Joined: 31 Aug 2016
Posts: 167
Location: India
Concentration: Finance, General Management
GMAT 1: 680 Q49 V33
GMAT 2: 700 Q49 V37
GPA: 2.81
What is the value of x + y? (1) x^2 +y^2 = 5 (2) xy = 2  [#permalink]

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07 Oct 2018, 02:09
2
00:00

Difficulty:

55% (hard)

Question Stats:

59% (00:59) correct 41% (00:41) wrong based on 57 sessions

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What is the value of x + y?

(1) $$x^2 +y^2=5$$
(2) $$xy=2$$

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Joined: 05 May 2017
Posts: 5
Re: What is the value of x + y? (1) x^2 +y^2 = 5 (2) xy = 2  [#permalink]

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07 Oct 2018, 02:59
1
Since final x+y could be 3 or -3
Re: What is the value of x + y? (1) x^2 +y^2 = 5 (2) xy = 2 &nbs [#permalink] 07 Oct 2018, 02:59
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What is the value of x + y? (1) x^2 +y^2 = 5 (2) xy = 2

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