Forgot password? New user? Sign up
Existing user? Log in
{a+b=7ab=−18a3+b3= ? \large \begin{cases} a + b = 7 \\ ab = -18 \\ a^3 + b^3 = \ ? \end{cases}⎩⎪⎪⎨⎪⎪⎧a+b=7ab=−18a3+b3= ?
Problem Loading...
Note Loading...
Set Loading...