2x/(x-1) Where X Is Not Equal To 1. Express The Composite Function Gf ...
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Log inSign upAnswers>Maths>GCSE>Articlef:x-->2x^2+1 and g:x--> 2x/(x-1) where x is not equal to 1. express the composite function gf as simply as possibleneed to put f equation into g equation so replace x in g equation with 2x^2+1 gf : x --> 2(2x^2+1) / ((2x^2+1)-1) then need to simplify (expand brackets) 4x^2 + 2 / 2x^2 divide all by 2 (common factor) gf : x --> (2x^2 +1) / x^2
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