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in Calculus by (40.4k points)
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निम्नलिखित फ्लनों के अवकलन कीजिए :

(i) y = xy

(ii) xa.yb = (x – y)a+b

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Best answer

(i) दोनों पक्षों का लघुगणक लेने पर

log y = log xy.= y log x

दोनों पक्षों का x के सापेक्ष अवकलन करने पर

(ii) xayb. = (x – y)a+b

दोनों पक्षों का लघुगणक लेने पर।

log (xayb) = log (x – y)a+b

⇒ log (xa) + log (yb) = (a + b) log (x – y)

⇒ a log x + b log y = (a + b) log (x – y)

दोनों पक्षों का x के सापेक्ष अवकलन करने पर

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