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

Let `f(x)=x^2+2a x+b ,g(x)=c x^2+2dx+1` be quadratic expressions whose graph is a as shown in the figure. Here it is given that `|A A^'|=|B B^'|a n d|O A^'|=|O B|` Which of the following statements is correct `a^2+d=d^2+c` (b) `a+d=b+c` `a^2+d^2=c+b` (d) `b c+c+a^2c+d^2`

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