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Problem
Problem
Equation
1
(
x
+
1
)
3
−
3
x
+
sin
x
=
0
\frac{1}{(x+1)^3} - 3x + \sin x = 0
(
x
+
1
)
3
1
−
3
x
+
sin
x
=
0
, has a. no real root b. two real and distinct roots c. exactly one negative root d. exactly one root between
−
1
-1
−
1
and
1
1
1
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