Question

find the zero of the polynomial verify the relationship between zeros and coefficient of x^2-9​

Answer 1

Answer:

x=3

Step-by-step explanation:

So

X^2-9=0

X^2=9

X=√9

So X=3

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Answer 2

x^2-(√9) ^2

a^2-b^2=(a+b) (a-b)

(x-√9) (x+√9)

Zeros=√9, -√9

Sum=-b/a

=0

√9-√9=0

Product=c/a

-9

√9(-√9) =-9

Hence proved