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  • Find the zeros of the quadratic polynomial 9x^2-1 and verify the relationship between the zeros and coefficients.

Find the zeros of the quadratic polynomial 9x^2-1 and verify the relationship between the zeros and coefficients.

Answers (1)

 9x2-1 = 0

(3x)2- 12=0

(3x-1)(3x+1)=0

x = 1/3 or -1/3

Sum of the roots (-b/a) = 0 = 1/3-1/3=0 

Product of the roots (c/a) = -1/9 = 1/3 x -1/3=-1/9 

Posted by

Ravindra Pindel

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