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Find the value of the expression x^3y – x^3/y

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Joined: 02 Sep 2009
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Kudos [?]: 135295 [0], given: 12686

Find the value of the expression x^3y – x^3/y [#permalink]

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New post 22 Oct 2017, 06:35
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A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

56% (00:53) correct 44% (00:27) wrong based on 25 sessions

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Kudos [?]: 135295 [0], given: 12686

Senior Manager
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P
Status: Preparing for GMAT
Joined: 25 Nov 2015
Posts: 369

Kudos [?]: 133 [0], given: 370

Location: India
GPA: 3.64
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Re: Find the value of the expression x^3y – x^3/y [#permalink]

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New post 22 Oct 2017, 07:06
\(x^3\)y-\(x^3\)/y =\(x^3\)(y-\(\frac{1}{y}\))
S1 - x=2
Insufficient as we need value of y.

S2 - y=1
If y=1, we see that the expression becomes 0.
Sufficient

Answer B
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Kudos [?]: 133 [0], given: 370

Re: Find the value of the expression x^3y – x^3/y   [#permalink] 22 Oct 2017, 07:06
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Find the value of the expression x^3y – x^3/y

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