if 2a-2/a+1=0 then what is the value of a^3-1/a^3+2 ?
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2a-2/a+1=0
or,2a-2=a+1*0=0
or,2a=2
or,a=2/2=1
then,
a^3-1/a^3+2
=1^3-1/1^3+2
=3-1/3+2
=2/5 = 0.4
so,the ans is 0.4
or,2a-2=a+1*0=0
or,2a=2
or,a=2/2=1
then,
a^3-1/a^3+2
=1^3-1/1^3+2
=3-1/3+2
=2/5 = 0.4
so,the ans is 0.4
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