if one root of the equation ax²+bx+c=0 is the reciprocal of the other ,then
a)a=c
b)a=b
c)b=c
d)a=0
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a×1/a=1
ab=c/a
c/a=1
c=a
a=c
ab=c/a
c/a=1
c=a
a=c
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