Find the sum
[tex](4 - \frac{1}{n} ) + (4 - \frac{2}{n} ) + (4 - \frac{3}{n} ) + ... \: upto \: \: n \: \: terms.\: [/tex]
Class 10
Arithmetic Progressions
⭕Best answer required ⭕
All the best
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Find the sum
[tex](4 - \frac{1}{n} ) + (4 - \frac{2}{n} ) + (4 - \frac{3}{n} ) + ... \: upto \: \: n \: \: terms.\: [/tex]
Class 10
Arithmetic Progressions
⭕Best answer required ⭕
All the best
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Answer
Given that,
Taking Common terms outside we get,
Solving the next part we get,
Hence the sum of all terms is 7n - 1 / 2