IL(ii) Take any pollll II(iii) Take any point in (3,0), sayFor all x, in the intervals (-00, 2) and (3, ), 32 -22 - 5x + 6 is zero. Thus, V.x2 - 5x + 6 is defined for allHence the domain of Vx2 – 5x + 6 is (-0,2 U 13,00).Example 1.22 Find the domai1-2 cosSolution:The function is defined for all 2 e R except 1 - 2 cosaexcept = 2n1 ,n e Z. Hence the domain is R - 2

IL(ii) Take any pollll II(iii) Take any point in (3,0), sayFor all x,

1.	IL(ii) Take any pollll II(iii) Take any point in (3,0), sayFor all x, in the intervals (-00, 2) and (3, ), 32 -22 - 5x + 6 is zero. Thus, V.x2 - 5x + 6 is defined for allHence the domain of Vx2 – 5x + 6 is (-0,2 U 13,00).Example 1.22 Find the domai1-2 cosSolution:The function is defined for all 2 e R except 1 - 2 cosaexcept = 2n1 ,n e Z. Hence the domain is R - 2
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