NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Expert Answers
ALL
Erw Trjerth
Subject: Maths
, asked on 14/3/18
Find the derivative of the following:
1
.
e
x
log
a
+
e
a
log
x
+
e
a
log
a
2
.
log
3
x
+
3
log
e
x
+
2
tan
x
Answer
1
B Ashwini
Subject: Maths
, asked on 14/3/18
how PROVE dIFFERENTIABILTY OF A FUNCTION AT A POINT??
Answer
1
Abhay
Subject: Maths
, asked on 13/3/18
Solve 10 and 12:
10
.
f
(
x
)
=
x
+
1
,
i
f
x
≥
1
x
2
+
1
,
i
f
x
<
1
12
.
f
(
x
)
=
x
10
-
1
,
i
f
x
≤
1
x
2
,
i
f
x
>
1
Answer
1
Abhay
Subject: Maths
, asked on 13/3/18
fx=x-5 continuous at x=5 and x=6
Answer
1
Hisham Moizuddin
Subject: Maths
, asked on 12/3/18
x
1
+
y
+
y
1
+
x
=
0
,
P
.
T
,
d
y
d
x
=
-
1
1
+
x
2
Answer
1
Yashashri Thakur
Subject: Maths
, asked on 9/3/18
Q6) ii
Answer
2
Hisham Moizuddin
Subject: Maths
, asked on 7/3/18
Q
.
F
o
r
w
h
a
t
v
a
l
u
e
o
f
λ
,
i
s
t
h
e
f
u
n
c
t
i
o
n
d
e
f
i
n
e
d
b
y
f
x
=
λ
x
2
-
2
x
:
x
≤
0
4
x
+
1
:
x
>
0
W
h
a
t
a
b
o
u
t
c
o
n
t
i
n
u
i
t
y
a
t
x
=
1
.
Answer
1
Vibhav
Subject: Maths
, asked on 1/3/18
Let a Then limit n -> infinity (a)^(n) is 0
Let b > 1
Then limit n -> infinity (b)^(n) is infinity
Am I right????
Answer
1
Indu Nair
Subject: Maths
, asked on 26/2/18
can u please explain how the underlined differentiated part came:
Question 24:
If x=a sin 2t (1 + cos 2t) and y = b cos 2t (1-cos 2t), show that at
t
=
π
4
,
d
y
d
x
,
b
a
t
=
π
4
,
d
y
d
x
=
b
a
Answer
1
Indu Nair
Subject: Maths
, asked on 26/2/18
in this question how did sin
-1
v appear?shouldn't it be cos
-1
v?(Underlined part)
Answer
1
Aditi Sharma
Subject: Maths
, asked on 24/2/18
Plz Solve
Answer
1
Vibhav
Subject: Maths
, asked on 23/2/18
In the NCERT it is given that tanx is a conts function
However tanx at x=pi/2 gives different values at LHL and RHL
(At LHL it is +ve infinity and at RHL it is -ve infinity)
So how is tanx conts when it has different RHL and LHL values at pi/2????
Answer
3
Laieeqa
Subject: Maths
, asked on 22/2/18
Solve this :
5)
For what value of k, is the following function continuous at x = 0 ?
F
(
x
)
=
1
-
cos
4
x
8
x
2
,
i
f
x
≠
0
k
,
i
f
x
=
0
Answer
1
Chaitanya Kapoor
Subject: Maths
, asked on 21/2/18
Solve: y +d(xy)/dx? ? = x (sinx + logx)
Answer
1
Vibhav
Subject: Maths
, asked on 20/2/18
How to solve Q5
Answer
3
Prev
3
4
5
6
7
Next
What are you looking for?
Let b > 1
Then limit n -> infinity (b)^(n) is infinity
Am I right????
Question 24:
If x=a sin 2t (1 + cos 2t) and y = b cos 2t (1-cos 2t), show that at
However tanx at x=pi/2 gives different values at LHL and RHL
(At LHL it is +ve infinity and at RHL it is -ve infinity)
So how is tanx conts when it has different RHL and LHL values at pi/2????
5) For what value of k, is the following function continuous at x = 0 ?