`lim_(x rarr -1) (ax^(2)+bx+c)/(dx^(2)+ex+f)` का मान क्या है ?

Options

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

C

Explanation

`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)`