The sum up to \(10\) terms of the series \(1 \cdot 3 + 5 \cdot 7 + 9 \cdot 11 + ...\) is
Question and options
The sum up to terms of the series is
- 4590
- 5310
- 4930
- 3867
Answer and explanation
Correct answer: B - 5310
The sum is . With , each product is , so the sum is . Dropping the linear term gives .
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IPMAT Indore
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