Question 4 the day : March 18, 2003

The question for the day is from the topic of Inequality.

Question
Solve for real 'x' if :

(1) x > 9
(2) 0 < x < 9
(3) x < 0
(4) None of these

Correct Choice is (2) and Correct Answer is 0 < x < 9

Explanatory Answer

Squaring on both sides we get, 9x-x² > 0

=> x²-9x < 0

=> x(x-9) < 0

=> 0 < x < 9

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