Function Properties: Square Roots (Jee Mains) | ExamDuo
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Application of Derivates
Medium
Function Properties: Square Roots
Let f (x) =
x
√
a
2
+
x
2
-
d
−
x
√
b
2
+
(
d
−
x
)
2
, x ∊ R, where a, b and d are non-zero real constants.Then :-
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SELECT ONE OPTION
A
f is a decreasing function of x
B
f is neither increasing nor decreasingfunction of x
C
f' is not a continuous function of x
D
f is an increasing function of x
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