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फलन का x के सापेक्ष अवकलन कीजिए

xy = e(x - y)

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Best answer

दिया है, xy = e(x - y) 

दोनों पक्षों को लघुगणक लेने पर, 

log (xy) = log e(x - y) 

या log x + log y = (x – y) loge e [∵ log xy = log x + log y] 

या log x + log y = x – y [∵ loge e = 1] 

दोनों पक्षों का x के सापेक्ष अवकलन करने पर,

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