If 1 is a zero of the polynomial P(x)=axsquare-3(a-1)x-1 then find the value of a
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a(1)square-3(a-1)1-1=0
a-3a+3-1=0
-2a+2=0
-2a=-2
a=1
a-3a+3-1=0
-2a+2=0
-2a=-2
a=1
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