12+13−14−12−13+12+13−14−12−13+\frac{1}{2} + \frac{1}{3} - \frac{1}{4} - \frac{1}{2} - \frac{1}{3} +     14+12+13−14.....is = ?" role="presentation">14+12+13−14.....is = ?14+12+13−14.....is = ?\frac{1}{4} + \frac{1}{2} + \frac{1}{3} - \frac{1}{4}.....\,{\text{is = ?}}" /> 12+13−14−12−13+12+13−14−12−13+\frac{1}{2} + \frac{1}{3} - \frac{1}{4} - \frac{1}{2} - \frac{1}{3} +     14+12+13−14.....is = ?" role="presentation">14+12+13−14.....is = ?14+12+13−14.....is = ?\frac{1}{4} + \frac{1}{2} + \frac{1}{3} - \frac{1}{4}.....\,{\text{is = ?}}" />

The sum of the first 35 terms of the series
12+13−14−12−13+
   
14+12+13−14.....is = ?
  • 1
    −12
  • 2
    −12
  • 3
    14
  • 4None of these
Answer:- 1
Explanation:-

Solution:
Clearly , sum of first 6 terms is zero , So sum of first 30 terms = 0
∴Required sum
= (1/2 + 1/3 - 1/4 - 1/2 - 1/3) = -1/4

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14+12+13−14.....is = ?
", "text": "The sum of the first 35 terms of the series
12+13−14−12−13+
   
14+12+13−14.....is = ?
", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" }, "answerCount": "4", "acceptedAnswer": { "@type": "Answer", "text": "
Solution:
Clearly , sum of first 6 terms is zero , So sum of first 30 terms = 0
∴Required sum
= (1/2 + 1/3 - 1/4 - 1/2 - 1/3) = -1/4 ", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" } }, "suggestedAnswer": { "@type": "Answer", "text": "
Solution:
Clearly , sum of first 6 terms is zero , So sum of first 30 terms = 0
∴Required sum
= (1/2 + 1/3 - 1/4 - 1/2 - 1/3) = -1/4 ", "dateCreated": "7/24/2019 10:09:12 AM" } }
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