Please solve this math problem!

We are given f(x)=ax^2+2x+b , a#0,Df=R
And fog=gof where g(x)=x ,Dg=R and has only solution Xo Then we have to show that ab<=1/4
NIKOST
Asked Jul 01, 2013
What?!
softball11
Answered Nov 01, 2013
Tf?
anonoymous
Answered Nov 01, 2013
is that?
The_Valiant
Answered Nov 01, 2013
I don't even know
even for me I'm a Mathematition
Is that even a real math question.
Frederick0
Answered Nov 03, 2013
look at this sequence 5 9 13 17 what the 6th number
OA
Answered Nov 05, 2013
What has only 1 solution ???...if f(x) = 0 then in fact ab ≡ 1...with solution x = - 1

and if g(x) = x then it is trivially true that f o g = g o f = f(x)...so what do you really desire ?
danielloh
Answered Nov 12, 2013

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