Question
Quantitative Ability and Data Interpretation Question on Algebra
If x2+x+1=0, then x2018+x2019 equals which of the following:
A
x+1
B
x
C
-x
D
x-1
Answer
-x
Explanation
Solution
The correct option is (C): -x.
If x2+x+1=0, then x2018+x2019 equals which of the following:
x+1
x
-x
x-1
-x
The correct option is (C): -x.