फलन f(x) = |x - 4| का न्यूनतम मान कितने पर मौजूद है?

  1. x = 0
  2. x = 2
  3. x = 4
  4. x = -4

Answer (Detailed Solution Below)

Option 3 : x = 4
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Detailed Solution

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संकल्पना:

|-a| = a, जहाँ a स्थिरांक है। 

 

गणना:

हमारे पास निम्न है, f(x) = |x - 4|

x = 0 पर, f(0) = |0 - 4| = 4

x = 2 पर, f(2) = |2 - 4| = |-2| = 2

x = 4 पर, f(4) = |4 - 4| = 0

x = -4 पर, f(-4) = |-4 - 4| = 8

इसलिए, x = 4 पर हमें न्यूनतम मान प्राप्त होता है। 

अतः विकल्प (3) सही है। 

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