Question

If if alpha and beta are the zeros of the polynomial x square - 8 x + 12 find the value of a + b -3 ab .

Answer 1

Answer:

-28

Step-by-step explanation:

By using the formula ((-b)+or-√(b^2-4ac))/2a

you get the roots as 2 and 6

therefore

a+b-3ab= -28

Hope It Helps..!

Answer 2

Answer:

28

Step-by-step explanation:

sum of the roots is equal to -b/a and product of the roots is c/a. If polynomial is ax square + bx+ c is a quadratic equation. hope u understand... pls like