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Mathematics
Mathematics
Problem
If
y
=
b
cos
log
(
x
n
)
n
y = b \cos \log \left( \frac{x}{n} \right)^n
y
=
b
cos
lo
g
(
n
x
)
n
then
d
y
d
x
=
\frac{dy}{dx} =
d
x
d
y
=
(a)
−
n
b
sin
log
(
x
n
)
n
-n b \sin \log \left( \frac{x}{n} \right)^n
−
nb
sin
lo
g
(
n
x
)
n
(b)
n
b
sin
log
(
x
n
)
n
n b \sin \log \left( \frac{x}{n} \right)^n
nb
sin
lo
g
(
n
x
)
n
(c)
−
n
b
x
sin
log
(
x
n
)
n
\frac{-n b}{x} \sin \log \left( \frac{x}{n} \right)^n
x
−
nb
sin
lo
g
(
n
x
)
n
(d) None of these
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