Show that the sequence defined by an =3n2-5is not an ap
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In an AP difference between Two consecutive terms is constant.
But in This case.
T(n+1)-T(n)= 3(2n+1)
Which is not a constant hence the given sequence is not an AP.
But in This case.
T(n+1)-T(n)= 3(2n+1)
Which is not a constant hence the given sequence is not an AP.
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