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# If x = u2 – v2, y = 2uv, and z = u2 + v2, and if x = 11, what is the v

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Joined: 15 Aug 2018
Posts: 50
GMAT 1: 740 Q47 V45
GPA: 3.5
If x = u2 – v2, y = 2uv, and z = u2 + v2, and if x = 11, what is the v  [#permalink]

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08 Jan 2019, 07:41
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0% (00:00) correct 100% (01:33) wrong based on 2 sessions

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If x = u2 – v2, y = 2uv, and z = u2 + v2, and if x = 11, what is the value of z ?

(1) y = 60
(2) u = 6

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A kudo a day...
Math Expert
Joined: 02 Sep 2009
Posts: 58409
Re: If x = u2 – v2, y = 2uv, and z = u2 + v2, and if x = 11, what is the v  [#permalink]

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08 Jan 2019, 07:43
gota900 wrote:
If x = u2 – v2, y = 2uv, and z = u2 + v2, and if x = 11, what is the value of z ?

(1) y = 60
(2) u = 6

Discussed here: https://gmatclub.com/forum/if-x-u-2-v-2 ... 63805.html
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Re: If x = u2 – v2, y = 2uv, and z = u2 + v2, and if x = 11, what is the v   [#permalink] 08 Jan 2019, 07:43
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