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All posts related to Inequality

Rubal Prakash
Shared from FLT 6 on May 13, 2014 6:22 PM

The set of all x such that (|x| – 2) (1 + x) > 0 is exactly

 
|x| > 2
– 2 < x < – 1 or x > 2
– 1 < x < 2

-2<x<-1 or x>2
x < – 2 or x > 2
Please type your answer before submitting.

Can anyone explain why have we taken closed interval in the answer despite there is open interval mentioned in the question??

Barrydc
Shared from Inequalities on Dec 02, 2013 12:44 PM

Solve: 1 x 1 2

 
x < 1
x < 1 or x ≥ 1.5
x ≥ 1.5
x ≥ 2.5
Please type your answer before submitting.

Optoion 2ndand 3rd both are correct...WTF

Nitish Kumar
Shared from Inequalities on Sep 28, 2013 12:21 AM

Which of the following values of x satisfies/satisfy |2x - 3| ≤ 5?

 
-1 ≤ x ≤ 4
1 ≤ x ≤ 5
-3
-1
Please type your answer before submitting.

A will be the correct answer

Nitish Kumar
Shared from Inequalities on Sep 28, 2013 12:18 AM

What values of x satisfy | x 2 3 x 1 x 2 + x + 1 | < 3?

 
x < – 2
All values, except x = – 3
x < – 5
None of these
Please type your answer before submitting.

The correct answer will be x=1,2,3...............

Nitish Kumar
Shared from Inequalities on Sep 27, 2013 11:34 PM

Consider the system of equation:

3|x – 1| + x2 – 7 > 0.

Which of the following values describe(s) the value of x?

 
x > – 1
x < – 1
x > 2
Both (2) and (3)
Please type your answer before submitting.

Correct answer will be x>2 , x<-1,,,,,,,,,,,, so check the value putting x =3,4,5,........