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Let f(x)= x^2+2ax+b, g(x)=cx^2+2dx+1 be...

Let `f(x)= x^2+2ax+b, g(x)=cx^2+2dx+1` be quadratic equation whose graph is shown in figure.

It is given that `|A.A^'|= |BB^(prime)|` and `|OA^(prime)|= |OB|` If `|O A^(prime)|=|`AA`prime|=1,` then the values of `' m '` for which `(g(x))^2+mg(x)+4=0` has two real roots which are distinct.
(a)`(0,4)` (b) `(4,oo)` (c)`(4,5)` (d) `(5,oo)`

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