Answer (Detailed Solution Below)

Option 2 : 4
Free
General Knowledge for All Defence Exams (शूरवीर): Special Live Test
20 Qs. 20 Marks 16 Mins

Detailed Solution

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Concept:

Modulus function:

Properties for definite Integral

 

Calculation:

We have to find the value of

Here f(x) = |x + 2|

For critical points,

x + 2 = 0

∴ x = -2

= 2 + 2 = 4

Mistake PointsWe need to take care of the negative sign that is there outside the first bracket. There is a possibility of getting '0' as the answer if we skip/ignore the initial negative sign.

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