, जहाँ [.] अधिकतम पूर्णांक फलन है, किसके बराबर है?

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Option 3 : 2
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धारणा:

1. यदि f(x) अवधि T के साथ आवधिक फलन है तो,


2. x का आंशिक भाग: यह x और उसके महत्तम पूर्णांक भाग [x] के बीच का अंतर है

  • X का आंशिक भाग इसके द्वारा दिया जाता है: {x} = x – [x]
  • 0 ≤ x < 1 के लिए {x} = x
  • x के आंशिक भाग की अवधि एक है।

 

x के आंशिक भाग का आरेख:

गणना:

हमें का मूल्य खोजना होगा

                        (∵ x – [x] = {x})

जैसा कि हम जानते हैं कि {x} की अवधि एक है

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