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ICSE Class 10 Answered

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Asked by vanshpratapsingh13122002 | 07 Mar, 2019, 06:29: PM
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begin mathsize 12px style fraction numerator n squared minus n plus 1 over denominator n squared plus n plus 1 end fraction space equals space fraction numerator 14 open parentheses space n space minus space 1 close parentheses over denominator 13 open parentheses n plus 1 close parentheses end fraction fraction numerator begin display style n squared minus n plus 1 end style over denominator begin display style n squared plus n plus 1 end style end fraction space equals space fraction numerator begin display style 14 n space minus space 14 end style over denominator begin display style 13 n plus 13 end style end fraction B y space c o m p e n e n d o space a n d space d i v i d e n d o comma space fraction numerator n squared minus n plus 1 plus n squared plus n plus 1 over denominator n squared minus n plus 1 minus n squared minus n minus 1 end fraction space equals space fraction numerator begin display style 14 n space minus space 14 space plus space 13 n plus 13 end style over denominator begin display style 14 n space minus space 14 minus 13 n minus 13 end style end fraction fraction numerator 2 space n squared space plus space 2 over denominator negative space 2 n end fraction space equals space fraction numerator 27 n space minus space 1 over denominator n space minus space 27 end fraction space space space o r space space fraction numerator n squared plus 1 over denominator negative n end fraction space equals space fraction numerator begin display style 27 n space minus space 1 end style over denominator begin display style n space minus space 27 end style end fraction open parentheses space n squared plus 1 space close parentheses space open parentheses space n space minus space 27 space space close parentheses space space equals space minus 27 n squared space plus space n n cubed space minus 27 n squared space plus n space minus 27 space equals space minus 27 n squared space plus space n space space space space o r space space space space n cubed space minus space 27 space space equals space 0 space space space space space o r space space n space equals 3 space end style
Answered by Thiyagarajan K | 07 Mar, 2019, 10:52: PM

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