If Alfa and beta are the the 2 zeros of the polynomial 3x square minus 2x minus 6,find one by Alfa plus one by beta
kumarigandam:
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it means
a=3 , b=-2 ,c=-6
Alfa+beta =-b/a = 2/3
Alfa*beta=c/a=-6/3=-2
2
ur que is
1/Alfa +1/beta
by taking lcm
we get
(Alfa+beta)/Alfa*beta= (2/3)/-2=
-1/3
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