CAT 2020 Question Paper | CAT Verbal Ability Slot 1
Question :

    

Started 3 months ago by Shashank in

Answer : The answer is '1'

Explanatory Answer

Let’s assume (x + (1/x)) = A 
A – 3A + 2 = 0 
A = 2,1 
(x + (1/x)) = 2 
X = 1, 
(x + (1/x)) = 1 à This case is not possible as (x + (1/x)) >= 2 if x is positive and (x + (1/x)) <= -2 if
x is negative. 
Therefore, we have 1 distinct real root.

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