Differential Equation – Page 28

D-2-6D-9-y-e-3x-x-2-

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Question Number 115721 by bemath last updated on 28/Sep/20 $(D^{2} - 6 D + 9) y = \frac{e^{3 x}}{x^{2}}$ Commented by mohammad17 last updated on 28/Sep/20 $${m}^{\mathrm{2}} −\mathrm{6}{m}+\mathrm{9}=\mathrm{0}\Rightarrow\left({m}−\mathrm{3}\right)^{\mathrm{2}} =\mathrm{0}\Rightarrow{m}_{\mathrm{1}}…

the-area-of-a-square-A-t-is-increased-at-a-rate-equal-to-its-perimeter-write-a-differential-equation-that-A-t-satisfy-starting-from-dA-dt-

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Question Number 115706 by Rio Michael last updated on 27/Sep/20 $the area of a square, A (t) is increased$ $at a rate equal to its perimeter$ $write a differential equation that A (t)$ $satisfy, starting from \frac{d A}{d t} =$ Commented by Dwaipayan Shikari last updated…

dy-dx-e-tan-1-x-y-1-x-2-

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Question Number 115539 by bemath last updated on 26/Sep/20 $\frac{d y}{d x} = \frac{e^{\tan^{- 1} (x)} - y}{1 + x^{2}}$ Answered by bobhans last updated on 26/Sep/20 $$\frac{{dy}}{{dx}}\:+\:\frac{{y}}{\mathrm{1}+{x}^{\mathrm{2}} }\:=\:\frac{{e}^{\mathrm{tan}^{−\mathrm{1}} \left({x}\right)}…

Question-49678

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Question Number 49678 by Rio Michael last updated on 09/Dec/18 Commented by Rio Michael last updated on 09/Dec/18 $A c l o s e d C y l i n d e r c a n i s m a d e f r o m a f i x a m o u n t A o f t h i n$ $m e t a l s h e e t . F i n d t h e r e l a t i o n b e t w e e n i t s r a d i u s a n d h e i g h t,$ $i f i t i s t o c o n t a i n t h e m a x i m u m p o s s i b l e v o l u m e$ $$\left({Note}:\:{Wastage}\:{of}\:{material}\:{ignored}\right).…

Question-114980

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Question Number 114980 by srijachakraborty last updated on 22/Sep/20 Answered by Dwaipayan Shikari last updated on 22/Sep/20 $(y^{4} - 2 x^{3} y) + (x^{4} - 2 {x y}^{3}) \frac{d y}{d x} = 0$ $$\frac{{dy}}{{dx}}=\frac{\mathrm{2}{x}^{\mathrm{3}} {vx}−{v}^{\mathrm{4}}…

Solve-x-2-dy-y-x-y-dx-0-

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Question Number 114978 by srijachakraborty last updated on 22/Sep/20 $S o l v e$ $x^{2} d y + y (x + y) d x = 0$ Answered by soumyasaha last updated on 22/Sep/20 Answered…

a-n-d-n-dt-n-a-n-1-d-n-1-dt-n-1-a-1-d-dt-a-0-0-Is-it-solvable-

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Question Number 114722 by Dwaipayan Shikari last updated on 20/Sep/20 $a_{n} \frac{d^{n} Ψ}{{d t}^{n}} + a_{n - 1} \frac{d^{n - 1} Ψ}{{d t}^{n - 1}} + \dots . . + a_{1} \frac{d Ψ}{d t} + a_{0} Ψ = 0$ $I s i t s o l v a b l e ? ? ?$ Answered by…

d-2-dt-2-g-l-sin-0-Or-t-g-l-t-0-

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Question Number 114340 by Dwaipayan Shikari last updated on 18/Sep/20 $\frac{d^{2} θ}{{d t}^{2}} + \frac{g}{l} s i n θ = 0$ $O r \overset{\cdot \cdot}{θ} (t) + \frac{g}{l} θ (t) = 0$ Commented by mr W last updated on…

1-3x-2-ln-y-dx-x-3-y-dy-0-2-e-2x-4-y-y-3-dz-t-t-2-1-e-2z-dt-

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Question Number 114176 by bemath last updated on 17/Sep/20 $(1) 3 x^{2} \ln (y) d x + \frac{x^{3}}{y} d y = 0$ $(2) (e^{2 x} + 4) y^{'} = y$ $(3) d z = t (t^{2} + 1) . e^{2 z} d t$ Commented by bobhans last…

Who-knows-how-to-define-a-differential-equation-geometrically-I-want-to-learn-plz-

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Question Number 48585 by cesar.marval.larez@gmail.com last updated on 25/Nov/18 $W h o k n o w s h o w t o d e f i n e a$ $d i f f e r e n t i a l e q u a t i o n g e o m e t r i c a l l y ?$ $I w a n t t o l e a r n p l z$ Commented by tanmay.chaudhury50@gmail.com last updated on 25/Nov/18 $${pls}\:{put}\:{the}\:{same}\:{question}\:{in}\:{google}\:{and}\:{download} \…

Category: Differential Equation