Question

Quadratic polynomial having zeros 1 and -2 is
(a) x^2-x+2 (b) x^2+x-2 (c) x^2-x-2

Answer 1

Answer:

answer is option(c) x² - x - 2

Step-by-step explanation:

α +β = 1

αβ = -2

quadratic polynomial = x² - (α+β)x + (αβ)

x² - (1)x + (-2) = 0

x² - x - 2