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GATE2018-GA-9
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
recategorized
Mar 17, 2021
by
Lakshman Bhaiya
0
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If $x^2 + x – 1 = 0$ what is the value of $x^4 + \dfrac{1}{x^4}$?
$1$
$5$
$7$
$9$
gate2018
numerical-ability
algebra
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
recategorized
Mar 17, 2021
by
Lakshman Bhaiya
by
gatecse
1.4k
points
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Answer:
C
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