if An=n(n-3)/x+4,then find 18th term of this sequence
anaya9:
by THE way your Question is wrong because if an= n(n-3)/x+4 then u have to find the value of x and then 18th term which was literally not possible
so the right question is an=n(n-3)/n+4
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an=n*n-3/n+4
a18=18*18-3/18+4
=18*15/18+4
=135/11
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