1
GATE ME 1995
+1
-0.3
The solution to the differential equation $$\,{f^{11}}\left( x \right) + 4{f^1}\left( x \right) + 4f\left( x \right) = 0$$
A
$${f_1}\left( x \right) = {e^{ - 2x}}$$
B
$${f_1}\left( x \right) = {e^{2x}},\,\,{f_2}\left( x \right) = {e^{ - 2x}}$$
C
$${f_1}\left( x \right) = {e^{ - 2x}},\,\,{f_2}\left( x \right) = x{e^{ - 2x}}$$
D
$${f_1}\left( x \right) = {e^{ - 2x}},\,\,{f_2}\left( x \right) = {e^{ - x}}$$
2
GATE ME 1995
True or False
+1
-0
A differential equation of the form $${{dy} \over {dx}} = f\left( {x,y} \right)\,\,$$ is homogeneous if the function $$f(x,y)$$ depends only on the ratio $${y \over x}$$ (or) $${x \over y}$$
A
TRUE
B
FALSE
3
GATE ME 1994
+1
-0.3
For the differential equation $$\,\,{{dy} \over {dt}} + 5y = 0\,\,$$ with $$y(0)=1,$$ the general solution is
A
$${e^{5t}}$$
B
$${e^{ - 5t}}$$
C
$$5$$ $${e^{ - 5t}}$$
D
$${e^{\sqrt { - 5t} }}$$
4
GATE ME 1993
Fill in the Blanks
+1
-0
The differential equation $${y^{11}} + y = 0\,$$ is subjected to the conditions $$y(0) = 0,$$ $$\,\,\,y\left( \lambda \right) = 0.\,\,$$ In order that the equation has non-trivial solutions, the general value of $$\lambda$$ is.
GATE ME Subjects
EXAM MAP
Medical
NEET