हिंदी

Given that dydxdydx = yex and x = 0, y = e. Find the value of y when x = 1.

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प्रश्न

Given that `"dy"/"dx"` = yex and x = 0, y = e. Find the value of y when x = 1.

योग
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उत्तर

`"dy"/"dx"` = yex 

⇒ `int "dy"/y = int "e"^x  "d"x`

⇒ logy = ex + c

Substituting x = 0 and y = e

We get loge = e0+ c

i.e., c = 0  ....(∵ loge = 1)

Therefore, log y = ex.

Now, substituting x = 1 in the above

We get log y = e

⇒ y = ex.

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अध्याय 9: Differential Equations - Solved Examples [पृष्ठ १८१]

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एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 12
अध्याय 9 Differential Equations
Solved Examples | Q 3 | पृष्ठ १८१

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