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CBSE Class 11-science Answered

18 2nd
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Asked by lovemaan5500 | 03 Jun, 2018, 12:20: PM
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begin mathsize 16px style General space term space straight t subscript straight r plus 1 end subscript space is space given space by space equals space straight C presuperscript 8 subscript straight r cross times 4 to the power of straight r cross times straight x to the power of straight r Let space left parenthesis straight r right parenthesis to the power of th space term space be space the space greatest space term then space straight t subscript straight r plus 1 end subscript over straight t subscript straight r less or equal than 1 fraction numerator straight C presuperscript 8 subscript straight r cross times 4 to the power of straight r cross times straight x to the power of straight r over denominator straight C presuperscript 8 subscript straight r minus 1 end subscript cross times 4 to the power of straight r minus 1 end exponent cross times straight x to the power of straight r minus 1 end exponent end fraction less or equal than 1 fraction numerator open parentheses 9 minus straight r close parentheses.4 straight x over denominator straight r end fraction less or equal than 1 12 minus fraction numerator 4 straight r over denominator 3 end fraction less or equal than straight r....... straight x equals 1 third straight r greater or equal than 36 over 7 comma space but space straight r element of straight Z space and space straight r less or equal than 8 straight r equals 6 6 th space term end style
Answered by Arun | 04 Jun, 2018, 10:33: AM

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CBSE 11-science - Maths
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