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Explanation-Why-While-f-ax-b-f-cx-d-ex-g-then-f-x-Ax-2-Bx-C-




Question Number 194190 by tri26112004 last updated on 29/Jun/23
Explanation Why:  While f(ax+b)+f(cx+d)=ex+g  then f(x)=Ax^2 +Bx+C ¿
ExplanationWhy:Whilef(ax+b)+f(cx+d)=ex+gthenf(x)=Ax2+Bx+C¿
Commented by Tinku Tara last updated on 30/Jun/23
For the given condition it is not  necessary for f(x) to be quadratic.  f(x)=Ax+B  f(ax+b)=Aax+Ab+B  f(cx+d)=Acx+Ad+B  g=A(b+d)+2B  e=A(a+c)  A=(e/(a+c))  B=g−((e(b+d))/((a+c)))
Forthegivenconditionitisnotnecessaryforf(x)tobequadratic.f(x)=Ax+Bf(ax+b)=Aax+Ab+Bf(cx+d)=Acx+Ad+Bg=A(b+d)+2Be=A(a+c)A=ea+cB=ge(b+d)(a+c)

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