Question

if alpha and beta are zeros of the polynomial P of x is equal to x square - 3 x + 7 then find the value of Alpha by beta + beta by Alpha​

Answer 1

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Answer 2

Answer:

{(alpha + beta)² - 2(alpha X beta)}. /( alpha X beta )

{(-b/a)² - 2(c/a)} / (c / a)

{(-(-3/1))² - 2(7/1)} / (7/1)

(9 - 14) / 7

-5/7