Answer:
Step-by-step explanation:
a = [tex]\frac{5*10^2}{2}[/tex] = 250
b = [tex]\frac{2*10^2 (10-5)}{10*10}[/tex] = 10
A = 500
[tex]b = 2 {x}^{3} - \frac {{x}^{2} }{10} [/tex]
