समांतर श्रेणी 3, 8, 13, 18 ......98 का योगफल ज्ञात कीजिए?
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Answer:
1010 is the answer Mark as brainlest
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Answer:6550
Step-by-step explanation:
Use the formula S=n/2 (2a+(n-1)d)
Where n=100
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