Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Community ▾
A
A
A student eliminates the constants a and b from the… | StemPy Lab
Quizzes
/
A student eliminates the constants a and b from the family y = a sin 3x + b cos 3x. Which differential equation does she get?
Mathematics
Medium
High School (11–12)
Functions and Calculus › Differential Equations
AP
A-Level
IB
AEEE (Amrita)
AMUEEE
AP EAPCET
+17 more exams
BCECE
COMEDK UGET
CUET UG
GUJCET
JCECE
JKCET
KCET
KEAM
KIITEE
LPUNEST
MET (Manipal)
MHT-CET
OJEE
SRMJEEE
TS EAPCET
Created by
StemPy Lab
A student eliminates the constants
a
a
a
and
b
b
b
from the family
y
=
a
sin
3
x
+
b
cos
3
x
y = a\sin 3x + b\cos 3x
y
=
a
sin
3
x
+
b
cos
3
x
. Which differential equation does she get?
y
′
′
+
9
y
′
=
0
y'' + 9y' = 0
y
′′
+
9
y
′
=
0
y
′
′
+
9
y
=
0
y'' + 9y = 0
y
′′
+
9
y
=
0
y
′
′
−
9
y
=
0
y'' - 9y = 0
y
′′
−
9
y
=
0
y
′
′
+
3
y
=
0
y'' + 3y = 0
y
′′
+
3
y
=
0
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← A curve has the slope dy/dx = 6x at every point and passes through the point (2, 20). Which equation describes the curve?
A cooling model has the family of curves y = Ce⁻²ˣ where C is an arbitrary constant. Which equation does every curve of the family satisfy? →
More on
Functions and Calculus › Differential Equations
Discussion (0)
Log in
to join the discussion.
Loading…
UPESEAT
VITEEE
All questions on this topic →
Problems on this topic
A curve in the first quadrant has this property…
Advanced
A designer is drawing the cross-section of a headlight reflector…
Hard
The curves y = Cx³ form a family, with a different constant C for each curve…
Medium
A researcher puts a thermometer, at 60 °C, into a room where a heater is slowly warming the air…
Advanced
All problems on this topic →