Question

1 and -2 are the zeros of the quadratic equation x2 + ax + b=0 find a and b​

Answer 1

Step-by-step explanation

(Alpha) (beta) = C/A

(1) (-2) = b/1

-2 = b

Alpha + beta = -b/a

1-2 = -a/1

-1 = -a

1 = a

Therefore, a=1 and b = -2.

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