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HOW TO FIND THE ZEROES OF A POLYNOMIAL?AND THE RELATION BETWEEN ZEROS AND COEFFICIENTS?
To find the zeros of a polynomial, put that polynomial  = 0.
If ax2 + bx + c = 0 is the polynomial, and let x1 and x2 are the zeros, then
 sum of roots = x1 + x2 = -b / a = -coefficient of x / coefficient of x2
product of zeros = x1 .x2 = c / a


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