Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Let 
. Let the real roots of 
be 
and real roots of 
be 
. The least value of 
is 
. The least value of 
occurs at 
.
(i) The least value of 
is
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CHECK THE SOLUTION.
(i) , (ii) , (iii)
The least value of 
is
Therefore, the least value of
The least value of 
occurs at
Now, 
or 
or 
or 
or 
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