Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If the equations 
and 
have a common root, then the numerical value of 
, is
Text Solution
Verified by ExpertsThe correct answer is:
-1
(-1)
Common root problem
Equations:
Let the common root be 
. Then:
Subtract the two equations:
So either 
or 
.
If 
, plug into first equation:
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