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Byju's Answer
Standard XII
Mathematics
Derivative of Some Standard Functions
The derivativ...
Question
The derivative of
d
d
x
(
1
x
√
x
)
=
.
A
2
3
x
3
/
2
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B
−
3
2
x
5
/
2
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C
x
−
5
/
2
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D
x
5
/
2
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Solution
The correct option is
B
−
3
2
x
5
/
2
The derivative of a function of the form of
x
n
=
n
x
n
−
1
.
Now
1
x
√
x
=
1
x
3
/
2
=
x
−
3
/
2
.
d
d
x
(
x
−
3
/
2
)
=
−
3
2
x
(
−
3
/
2
−
1
)
=
−
3
2
x
−
5
/
2
or
−
3
2
x
5
/
2
, which is the correct answer.
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