NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Mitali
Subject: Maths
, asked on 30/1/18
Kindly solve.. this is a meritnstion question but i doubt it's solution... pls refer
Q5. Three distinct points A, B and C are given in the 2 - dimensional coordinate plane such that the ratio of distance of any one of them from the point (1,0) to the distance from the point (– 1, 0) is equal to
1
3
. Then the circumcvented of the triangle ABC is at the point
(A) ( 0, 0)
(B)
5
4
,
0
(C)
5
2
,
0
(D)
5
3
,
0
Answer
1
Guna Shekar
Subject: Maths
, asked on 30/1/18
Please solve
Q77. Consider the point
A
= (3, 4),
B
= (7, 13). If
P
be a point on the line
y
=
x
such that
PA
+
PB
is minimum, then coordinates of
P
is
(1)
13
7
,
13
7
(2)
23
7
,
23
7
(3)
31
7
,
31
7
(4)
33
7
,
33
7
Answer
0
Akshit Chaturvedi
Subject: Maths
, asked on 30/1/18
The length of the shortest normal chord of the parabola y
2
= 4x is what ?
Answer
1
Riya Verma
Subject: Maths
, asked on 30/1/18
In qno.15 does 16ml needs to be converted into cm as other units are also in cm? Explain with proper reason
Q15. Oil is leaking at the rate of 16 mI./s from a vertically kept cylindrical drum containing oil. If the radius of the drum is 7 cm and its height is 60 cm, find the rate at which the level of the oil is changing when the oil level is 18 cm.
Answer
1
Riya Verma
Subject: Maths
, asked on 30/1/18
Plz solve qno.18
Q.18. Find an angle x which increases twice as fast as its sine.
Answer
1
Riya Verma
Subject: Maths
, asked on 30/1/18
Plz solve qno.14 in brief with formulas
Answer
1
Riya Verma
Subject: Maths
, asked on 30/1/18
Plz solve qno.12
Answer
1
Riya Verma
Subject: Maths
, asked on 30/1/18
In qno.11 will the answer be in negative as the question ask the rate of area as decreasing?
Answer
1
Vibhav
Subject: Maths
, asked on 29/1/18
Please answer this
Q. The height of a ball at time ' t ' is given by
s
(
t
)
=
96
t
-
16
t
2
. Find the open interval on which the ball is moving up and moving down.
Answer
1
Dhinesh Vijayan
Subject: Maths
, asked on 29/1/18
Pls solve
Q.3. Find the equations of the tangent and the normal to the curve
x
2
+
y
2
=
5
, where the tangent is parallel to the line 2x - y + 1 = 0
Answer
2
Akansha Karvekar
Subject: Maths
, asked on 26/1/18
Solve this:
y
= sin
2
3 . tan
3
2
x
.
Answer
1
Alifa
Subject: Maths
, asked on 21/1/18
the sum of perimeters of an equilateral triangle and a circle is 'k'(constant). Prove that their combined area is minimum when the side of the triangle is 2root3 times the radius of the circle.
Answer
2
Shobhil Shrivastava
Subject: Maths
, asked on 18/1/18
Please explain the highlighted step.
Answer
2
Varnika Dhiman
Subject: Maths
, asked on 17/1/18
Here, we got
x = 0
by shifting all the terms except
x
, and got
x = 2
by shifting all terms except
(2-x)
.
Fine till here.
I want to ask what value we will get if we shift
x
and
(2-x)
both to the RHS, i.e., how we'll solve
e
-
2
x
=
0
to get value of x ?!
Kindly solve.
Answer
1
Shubhrajyoti Ghosh
Subject: Maths
, asked on 14/1/18
Second order derivative:
Q Eliminate a and b:
xy=
a
x
3
+
b
Answer
0
Prev
3
4
5
6
7
Next
What are you looking for?
Q5. Three distinct points A, B and C are given in the 2 - dimensional coordinate plane such that the ratio of distance of any one of them from the point (1,0) to the distance from the point (– 1, 0) is equal to . Then the circumcvented of the triangle ABC is at the point
(A) ( 0, 0)
(B)
(C)
(D)
Q77. Consider the point A = (3, 4), B = (7, 13). If P be a point on the line y = x such that PA + PB is minimum, then coordinates of P is
(1) (2)
(3) (4)
Q15. Oil is leaking at the rate of 16 mI./s from a vertically kept cylindrical drum containing oil. If the radius of the drum is 7 cm and its height is 60 cm, find the rate at which the level of the oil is changing when the oil level is 18 cm.
Q.18. Find an angle x which increases twice as fast as its sine.
Q. The height of a ball at time ' t ' is given by . Find the open interval on which the ball is moving up and moving down.
Q.3. Find the equations of the tangent and the normal to the curve , where the tangent is parallel to the line 2x - y + 1 = 0
Fine till here.
I want to ask what value we will get if we shift x and (2-x) both to the RHS, i.e., how we'll solve to get value of x ?!
Kindly solve.
Q Eliminate a and b:
xy=