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Dhinesh Vijayan
Subject: Maths
, asked on 14/2/18
Pls solve this sum
Q11. Solve the differential equation : log 5
dy
dx
=
ax
+
by
.
Answer
2
Nithyashrri Saravanan
Subject: Maths
, asked on 11/2/18
Write the sum of the order and degree of the following differential equation:
d
d
x
d
y
d
x
3
=
0
Answer
1
Nithyashrri Saravanan
Subject: Maths
, asked on 11/2/18
Dear experts in differential equations if there are 3 arbitary constants then is it necessary that we should differentiate thrice? In case we are able to obtain an equation eliminating all the constants by differentiating twice,is it right?
Answer
1
Nithyashrri Saravanan
Subject: Maths
, asked on 11/2/18
Dear experts is the answer right . the question is form a differential equation of family of circles passing through the points(a,0) and (-a,0)
Answer
1
Pranav Shorey
Subject: Maths
, asked on 8/2/18
no links please
10
.
Form
the
differential
equation
corresponding
to
the
function
y
=
c
x
-
c
2
Answer
2
Afrah Baber Khan
Subject: Maths
, asked on 3/2/18
Find dy/dx if x = 2at
2
, y=at
4
Answer
1
Aashish Rohilla
Subject: Maths
, asked on 26/1/18
solve the differential equation dy/dx = x+y+1/x+y
Answer
1
Dipesh Malhotra
Subject: Maths
, asked on 25/1/18
Q.26. Show that the differential equation
x
e
x
/
y
+
y
d
x
=
x
d
y
is homogeneous. Find the particular solution of this differential equation, given that x = 1 when y = 1.
Answer
1
Shubhrajyoti Ghosh
Subject: Maths
, asked on 22/1/18
f
x
=
x
3
-
12
x
2
+
36
x
+
17
Answer
1
Shubhrajyoti Ghosh
Subject: Maths
, asked on 22/1/18
Q
.
F
i
n
d
t
h
e
i
n
t
e
r
v
a
l
s
i
n
w
h
i
c
h
t
h
e
f
o
l
l
o
w
i
n
g
f
u
n
c
t
i
o
n
s
a
r
e
a
i
n
c
r
e
a
sin
g
b
d
e
c
r
e
a
sin
g
f
x
=
2
x
3
-
15
x
2
+
36
x
+
1
Answer
3
Shubhrajyoti Ghosh
Subject: Maths
, asked on 22/1/18
Prove that the function
f
(
x
) = 4
x
3
+ 6
x
2
– 24
x
+ 1 decreases in the interval (–2, 1)
Answer
1
Shubhrajyoti Ghosh
Subject: Maths
, asked on 15/1/18
Q The order and degree of the differential equation representing the family of curves .
y
2
= 2k ( x +
k
) (where k is a positive parameter) are respectively —
1,3
2,4
1,4
1,2
Answer
1
Shanaya
Subject: Maths
, asked on 14/1/18
How did we put the value of v in the equation and where did -2log|x| in RHS go?
Answer
1
Shubhrajyoti Ghosh
Subject: Maths
, asked on 9/1/18
Evaluate:
1
1
1
1
ω
2
ω
1
ω
ω
2
(where ω is an imaginary cube root of unity).
Answer
1
Shubhrajyoti Ghosh
Subject: Maths
, asked on 9/1/18
20. Find the common tangents to the hyperbola x
2
- 2y
2
= 4 and the circle .
Answer
1
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Q11. Solve the differential equation : log 5 .
= 2k ( x + ) (where k is a positive parameter) are respectively —