Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If the quadratic equation 
and 
have a common root such that second equation has equal roots then the value of 
will be :
Text Solution
Verified by ExpertsThe correct answer is:
C
Let the second equation have equal roots.
For equal roots, 
Notice, 
and RHS simplifies to same condition giving
Hence repeated root is
Using 
,
and 
Therefore, 
Using the relation again gives 
Now common root satisfies 
Put 
: 
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