Question

Q12 verifyy that I, 1,-2 are the zeros
of the polynomial 2 x ² + x 2 - 5x+ 2.
Also veonty the sum of the zeros
= -b/a and the product of zeros = -d/a


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Answer 1

Step-by-step explanation:

Firstly put x= 1 in equation; If the value becomes zero.... then it's a zero of this equation.

do the same process with other two given roots: 1 and -2