Published by:
CGP EDU Academic Team
Published on: August 12, 2026
The greatest and least values of 
are
A
B
C
D
none of these
Text Solution
Verified by ExpertsThe correct answer is:
C
(i) Use Identity: Let 
and 
. We know 
. Using 
:
(ii) Simplify into a Quadratic: Let 
, where 
.
Completing the square: 
.
(iii) Find Least Value: Occurs when the squared term is zero 
:
(iv) Find Greatest Value: Occurs at the boundary furthest from 
:
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