In this Question the sum of first two n terms of the AP is given. You have to find the first term and common difference of the AP. This is the Important question based on Arithmetic progression Chapter of R.S ...
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ICSE & CBSE Board Question Based on Arithmetic Progression of RS Aggarwal Here the First and last term of an AP is given. You have to show that the sum of AP from the beginning and ending nth term is ...