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In an AP, (S_8=180) and (S_{16}=680). Find the sum from the (17)th term to the (24)th term.किसी समांतर श्रेढ़ी में (S_8=180) और (S_{16}=680) है। (17)वें पद से (24)वें पद तक का योग ज्ञात कीजिए।
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (820)(820)
The given sums give (a=5), (d=5), and (S_{24}-S_{16}=820). First determine the AP from the two partial sums.दिए गए योगों से (a=5), (d=5) मिलता है और (S_{24}-S_{16}=820)। दो partial sums से पहले श्रेढ़ी निर्धारित करें।
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