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GATE ECE 2021 | GA Question: 2
$p$ and $q$ are positive integers and $\dfrac{p}{q}+\dfrac{q}{p}=3,$ then, $\dfrac{p^{2}}{q^{2}}+\dfrac{q^{2}}{p^{2}}=$ $3$ $7$ $9$ $11$
Arjun
asked
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Numerical Ability
Feb 20
by
Arjun
4.5k
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153
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gateec-2021
numerical-ability
algebra
0
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0
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2
GATE ECE 2016 Set 1 | GA Question: 9
If $q^{-a} = \frac{1}{r}$ and $r^{-b}=\frac{1}{s}$ and $s^{-c} = \frac{1}{q}$ ,the value of $abc$ is______. $(rqs)^{-1}$ $0$ $1$ $r+q+s$
Milicevic3306
asked
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Numerical Ability
Mar 28, 2018
by
Milicevic3306
15.8k
points
26
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gate2016-ec-1
numerical-ability
algebra
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