for an A.P
d=5 then t18 - t13 = ?
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If t18 means eighteenth term..then the answer is 25
dominicdon222pbeojr:
can u please elaborate it
great job man
keep it up
i didn't get the way u said
t18= a + 17d...t13= a +12d...so t18-t13= 5d=25
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