if a and b are the zeroes of quadratic polynomial px² +qx +r =0 then find the quadratic polynomial whose zeros are 1/2a and 1/2b
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Zeroes of polynomial px²+qx+r=0
alpha and beta are zeroes of polynomial
a+b=-b/a
a+b=-q/p
ab=c/a
ab=r/p
then,
value of
a³+b³
(a+b)(a²+b²-ab)
(-q/p){(a+b)²-2ab -ab
(-q/p){(-q/p)²-2*r/p -r/p
(-q/p) [(q²/p²-2r/p -r/p
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