Math, asked by varshini0897, 9 months ago

how many terms of an ap must be taken for their sum to be equal to 120 if it's 3rd term is 9and the difference between the 7th and 2nd term is 120

Answers

Answered by help7oo645o984

2

Step-by-step explanation:

As at the end value of n comes out to be fraction so you plz check the numbers in your question once again as n cant have a fractional value

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