If alpha and beta are the zeros of the quadratic polynomial x2-x-6.find value of 1/alpha+1/Beta
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x2-x-6=
x2-3x+2x-6
×(x-3)+2(x-3)
x+2,x-3=0
x=-2,x=3
alpha =-2
bita=3
then alpha+bita=-2+3=1
x2-3x+2x-6
×(x-3)+2(x-3)
x+2,x-3=0
x=-2,x=3
alpha =-2
bita=3
then alpha+bita=-2+3=1
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