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Mathematics
Mathematics
Problem
Find
d
d
x
[
x
2
sin
x
]
\dfrac{d}{dx}\bigl[x^2\sin x\bigr]
d
x
d
[
x
2
sin
x
]
. a)
2
x
sin
x
+
x
2
cos
x
2x\sin x + x^2\cos x
2
x
sin
x
+
x
2
cos
x
b)
x
2
cos
x
x^2\cos x
x
2
cos
x
c)
2
x
sin
x
+
cos
x
2x\sin x + \cos x
2
x
sin
x
+
cos
x
d)
2
x
cos
x
+
x
2
sin
x
2x\cos x + x^2\sin x
2
x
cos
x
+
x
2
sin
x
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