find the eleventh term from the last term of the Ap .27,23,19........,-65
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nth term from last is
{l - (n-1) d}
=> l11=[l-10d]
=>[-65-(10×-4)]
=>[15]
{l - (n-1) d}
=> l11=[l-10d]
=>[-65-(10×-4)]
=>[15]
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