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Question-185793




Question Number 185793 by Rupesh123 last updated on 27/Jan/23
Answered by cortano1 last updated on 28/Jan/23
(2/(x+1)) =(1/5)⇒x=9  f((1/5))= 9^2 −1=80
2x+1=15x=9f(15)=921=80
Answered by CElcedricjunior last updated on 27/Jan/23
f((2/(x+1)))=x^2 −1  f((2/(9+1)))=9^2 −1=>f((2/(10)))=81−1  =>f((1/5))=80  ====================  ..................cedric junior ..............
f(2x+1)=x21f(29+1)=921=>f(210)=811=>f(15)=80====================cedricjunior..

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