Question

if 2 and 1 are roots of quadratic equation ax^2+bx+c=0.find a and b​

Answer 1

Step-by-step explanation:

α=2 , β=1

quadratic equation=x^2-(α+β)x+αβ

=x^2-(2+1)x+2(1)

=x^2-3x+2

hence a=1 and b=-3 and c=2

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