Question 1122874
{{{ V = x*( x + 1.3 )*(1/3)*x }}}
{{{ V = ( x^2 + 1.3x )*(1/3)*x }}}
{{{ 1.2 = ( x^2 + 1.3x )*(1/3) }}}
{{{ x^2 + 1.3x - 3.6 = 0 }}}
Solve using quadratic formula.
Use the positive solution.
Looking at the equation, I can see
The answer is between 1 and 2