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Let the function f(x) , defined as f(x)=...

Let the function `f(x)` , defined as `f(x)={3a x+b ,x >1 11 ,x=1 5a x-2b ,x<1` be continuous at `x=1.` If `aa n db` are roots of a quadratic equation then equation is `x^2-5x+6=0` `x^2-5x+6=0` `x^2+5x+6=0` `3x^2-5x+2=0` `2x^2-5x+3=0`

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