f(x)=x+1÷xsquare-3x+2 find the domain
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f(x) = (x + 1) / x^2 - 3x + 2
f(x) = (x +1 ) / x^2 - (2+1)x + 2
= (x + 1) / x^2 - 2x - x + 2
f(x) = (x + 1) / (x - 1) (x - 2)
= Now, because=>
(x - 1) and (x - 2) cannot be zero.
So, “x" cannot be 1 and 2.
Thus, Domain = R - {1 , 2}..........●
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Hope it was helpful.
f(x) = (x +1 ) / x^2 - (2+1)x + 2
= (x + 1) / x^2 - 2x - x + 2
f(x) = (x + 1) / (x - 1) (x - 2)
= Now, because=>
(x - 1) and (x - 2) cannot be zero.
So, “x" cannot be 1 and 2.
Thus, Domain = R - {1 , 2}..........●
●●●●●●●●●●●●●●●●●
Hope it was helpful.
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