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If integers p, q and r are the roots of the equation

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GMAT 1: 530 Q42 V22
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If integers p, q and r are the roots of the equation  [#permalink]

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New post 23 Nov 2018, 07:29
1
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

79% (01:08) correct 21% (01:34) wrong based on 28 sessions

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If integers p, q and r are the roots of the equation \(x^3\)-7\(x^2\)+12x = 0, and p < q < r, what is the value of \((r/q)^p\)?

A. 0
B. 1/3
C. 1
D. 3
E. 4
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Joined: 17 Mar 2018
Posts: 69
Re: If integers p, q and r are the roots of the equation  [#permalink]

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New post 23 Nov 2018, 08:32
1
Im going with Ans C.

\(x^3 -7x^2+12x\) = 0
=\(x(x^2-7x+12)\)=0
x(x-3)(x-4)=0
x= 0;3;4.
Since
p<q<r, p=0, q=3, r=4

\((\frac{4}{3})^0\)= 1
GMAT Club Bot
Re: If integers p, q and r are the roots of the equation   [#permalink] 23 Nov 2018, 08:32
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If integers p, q and r are the roots of the equation

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