किसके बराबर है?

This question was previously asked in
NDA (Held On: 17 April 2016) Maths Previous Year paper
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  1. 0
  2. 2
  3. 4
  4. 8

Answer (Detailed Solution Below)

Option 4 : 8
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NDA 01/2025: English Subject Test
30 Qs. 120 Marks 30 Mins

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धारणा:

निश्चित समाकल के लिए गुण

  • यदि f(x) अवधि T के साथ आवधिक फलन है तो 

 

गणना:

|cos x| की अवधि π है

= 4(1 – 0) – 4(0 – 1)

= 4 + 4 = 8

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