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Verify that the given function (explicit or implicit) is a solution of the corresponding differential equation: x + y = tan–1y : y2 y′ + y2 + 1 = 0 - Mathematics

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प्रश्न

Verify that the given function (explicit or implicit) is a solution of the corresponding differential equation:

x + y = tan–1y   :   y2 y′ + y2 + 1 = 0

योग
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उत्तर

x + y = tan-1y

1 = y’ = `1/(1 + y^2)` (y’)

⇒ (1 + y') (1 + y2) = y’

⇒ 1 + y2 + y' + y2y' = y'

⇒  1 + y2 + y2y' = 0

Hence, the given function x + y = tan-1y is a solution to the given differential equation.

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अध्याय 9: Differential Equations - Exercise 9.2 [पृष्ठ ३८५]

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एनसीईआरटी Mathematics Part 1 and 2 [English] Class 12
अध्याय 9 Differential Equations
Exercise 9.2 | Q 9 | पृष्ठ ३८५

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