समांतर श्रेढ़ी \(4,9,14,\ldots\) के पहले (16) पदों का योग ज्ञात करें।
Find the sum of the first (16) terms of the arithmetic progression \(4,9,14,\ldots\).
Explanation opens after your attempt
B. (664)
Concept
Here (a=4), (d=5), and (n=16), so \(S_{16}=664\). For larger sums, write the steps separately.
Why this answer is correct
The correct answer is B. (664). Here (a=4), (d=5), and (n=16), so \(S_{16}=664\). For larger sums, write the steps separately.
Exam Tip
यहाँ (a=4), (d=5), (n=16), इसलिए \(S_{16}=664\)। बड़े योग में चरणों को अलग-अलग लिखें।
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