Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If 
are the roots of the equation ax 2 + bx + 1 = 0, and
, then k is equal to
A
2 
B
C
2 
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Since, 
and 
are the roots of the equation ax 2 + bx + 1 = 0, therefore 
and 
would be the roots of x 2 + bx + a = 0. Let
On comparing this value with the value given in the question we get, k = 2 
.
Hence this is the correct option.
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