यदि Z = , तो Z में आपेक्षिक त्रुटि कितनी होगी?

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Option 3 :
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व्याख्या:

दिया गया है, Z = 

या, Z = A2B3C-4   ----- (1)

∵ त्रुटियां हमेशा जुड़ जाती हैं, हम समीकरण (1) को आपेक्षिक त्रुटि के रूप में इस प्रकार लिख सकते हैं-

अतः, विकल्प 3) सही चुनाव है। 

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