Question

Quadratic polynomial having zero 1
and - 2 is:
x2 - X + 2
x2 + x - 2
x2 - x - 2
none of these​

Answer 1

Step-by-step explanation:

sum of zeros of polynomial = coefficient of x/coefficient of x^2

-2+1. =. -1/1

product of zeros of polynomials = constant term/ coefficient of x^2

-2*1 = -2/1

Quadratic polynomial. =. x^2 - x -2

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