CBSE Class 12-science Answered
2018, 25, Maths,find the set of elements.
![question image](https://images.topperlearning.com/topper/new-ate/topr_206218822224154Screenshot20190225233457CamScanner.jpeg)
Asked by alanpeter9611 | 26 Feb, 2019, 02:14: AM
Please find your answer link
OR alternate solution
![straight f left parenthesis straight a right parenthesis equals straight f left parenthesis straight b right parenthesis
fraction numerator straight a over denominator straight a squared plus 1 end fraction equals fraction numerator straight b over denominator straight b squared plus 1 end fraction
rightwards double arrow ab open parentheses straight b minus straight a close parentheses equals straight b minus straight a
so comma
straight b equals straight a space or space ab equals 1
so space there space are space points space such space that space straight a equals 1 over straight b...... so space not space one space one
also
1 element of straight R
so space straight F left parenthesis straight x right parenthesis equals 1
fraction numerator straight x over denominator straight x squared plus 1 end fraction equals 1
but comma space there space is space no space such space value space in space straight x space which space satisfies space the space above space condition space so space not space onto](https://images.topperlearning.com/topper/tinymce/cache/7068702c4ee041d255c100c2622fcab6.png)
Answered by Arun | 26 Feb, 2019, 10:45: AM
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