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Discuss the sign of the following expres...

Discuss the sign of the following expressions when x is real
i) `x^(2)-5x+6` ii) `x^(2)-x+3`

Text Solution

Verified by Experts

The correct Answer is:
i) If `2 lt x lt 3`, the expression is negative.
If `x lt 2` or `x gt 3` the expression is positive. Ii) Positive for `x in R`
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