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If the nth term of an AP is (4n+1) find the sum of the first 15 terms of the AP. Also find the sum of its n terms.

This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. Here ...Read more

An Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. Here the AP ...Read more