if a+9/a=3 then find the value of a3+27
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a+9/a=3
a+9=3a
9=3a-a
9=2a
a=4.5
now,
a^3+27=4.5^3+27=91.125+27
=118.125
a+9=3a
9=3a-a
9=2a
a=4.5
now,
a^3+27=4.5^3+27=91.125+27
=118.125
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