1.

`lim_(x rarr -1) (ax^(2)+bx+c)/(dx^(2)+ex+f)` का मान क्या है ?A. `(a+b+c)/(d+e+f)`B. `(a-b+c)/(d+e+f)`C. `(a-b+c)/(d-e+f)`D. `(-a-b+c)/(d+e+f)`

Answer» Correct Answer - C
`underset(x rarr-1)lim(ax^(2)+bx+c)/(dx^(2)+ex+f)=(underset(xrarr-1)lim(ax^(2)+bx+c))/(underset(x rarr-1)lim(dx^(2)+ex+f))=(a(-)^(2)+b(-1)+c)/(d(-1)^(2)+e(-1)+f)=(a-b+c)/(d-e+f)`


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