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श्रेणी `(-5)/(4),(5)/(16),(-5)/(64)`,.... अनन्त पदों का योग ज्ञात कीजिए | |
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Answer» Correct Answer - `-1` `a=-5//4,r=(5)/(16)//(-5)/(4)=-1//4` `S_(oo)=(a)/(1-r)=(-5//4)/(1+(1)/(4))=-1` |
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