If , and , then what is the value of ?

and then what is  the value of ?

If and , then what is the value of ?

If , then what is the value of a?

If ,then what is the value of ?

If , then what is the value of .

If one root of the equation is two and a half times the others, then which of the following is True?

If α and β are the roots of equation , then what is the equation whose roots are ${α^3}\over{β^2}{β^3}\over{α^2}$$.