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Find s infinite 7,-1, 1/7, -1/49 please explain |
| Answer» <html><body><p><strong>Answer: 49 /8</strong></p><p><strong>mark as brainliest </strong></p><p></p><p><strong>Step-by-step <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>Common ratio ( <a href="https://interviewquestions.tuteehub.com/tag/r-611811" style="font-weight:bold;" target="_blank" title="Click to know more about R">R</a>) = t <a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a> /t 1= -1/7 </p><p>For <a href="https://interviewquestions.tuteehub.com/tag/infinte-2737504" style="font-weight:bold;" target="_blank" title="Click to know more about INFINTE">INFINTE</a> geometric <a href="https://interviewquestions.tuteehub.com/tag/sequence-1201556" style="font-weight:bold;" target="_blank" title="Click to know more about SEQUENCE">SEQUENCE</a>, </p><p>S∞ = t 1 / (1 - r) </p><p> = 7 / (1 + 1/7)</p><p> = 7 / (8 /7)</p><p> = 7 *7 /8 </p><p> = 49/ 8 </p></body></html> | |