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Find the 15th term of an …

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Find the 15th term of an Ap 12, 15, 18 etc a=12 d=15-12=3 n = 15 in this why we put n= 15? Also an =a15 why..... explain

    • Posted by Vishnupriya Ravi 5 years, 2 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Arshika ✨ 5 years, 2 months ago

    n is the number of terms here and 15 is the number of terms... (an is last term here n is number of terms).

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