**Concept: The question tests on basics of Inequalities**

Solution:

x^2 − 2 < 0

=> x^2 < 2

If x is positive then x < √2

If x is negative then -x < √2 => x > -√2

Combining them, -√2 < x < √2

**(option c)**

Modified on: Wed, 13 Oct, 2021 at 11:29 AM

**Concept: The question tests on basics of Inequalities**

Solution:

x^2 − 2 < 0

=> x^2 < 2

If x is positive then x < √2

If x is negative then -x < √2 => x > -√2

Combining them, -√2 < x < √2

**(option c)**

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