Answer:

Step-by-step explanation:
we are given an algebraic function in x, such that

To find when second derivative >0
For this let us find first and second derivative by successive differentiation.

when ii derivative >0 we have
60x^3-30>0

f"(x)>0 in

Answer:
5.5 cm
Step-by-step explanation:
<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>
Rectangular pyramid and triangular pyramid.
Answer: 1.83
Step-by-step explanation:
Hope this helps!