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Drishti
Subject: Maths
, asked on 3/3/18
Solve ques4 ,11,14
Answer
1
Drishti
Subject: Maths
, asked on 3/3/18
Solve 5 ques please
Answer
1
Drishti
Subject: Maths
, asked on 3/3/18
Solve 21 ques
Answer
1
Anushka Agrawal
Subject: Maths
, asked on 2/3/18
Please answer question number 20
Q.20. A chord of the circle
x
2
-
2
a
x
+
y
2
=
0
is drawn to pass through the origin. Show that the locus of the centre of the circle described on this chord as diameter is a circle, passing through the centre of the given circle.
Answer
2
Ian Colaco
Subject: Maths
, asked on 1/3/18
Find the equation of the hyperbola whose foci are ( + or - 3root5, 0) and the length of the latus rectum is 8 units.
Answer
1
Ian Colaco
Subject: Maths
, asked on 1/3/18
Find the equation of the circle which passes through the points (2,-2) , (3,4) and has its centre on the line 2x+2y=7
Answer
1
Anushka Agrawal
Subject: Maths
, asked on 1/3/18
Please answer ques no 4
Q.4. A (- a, 0); B (a, 0) are fixed points. C is a point which divides internally AB in a constant ratio tan
α
. If AC & CB subtend equal angles at P, prove that the equation of the locus of P is
x
2
+
y
2
+
2
a
x
s
e
c
2
α
+
a
2
=
0
.
Answer
1
Yagyam Aggarwal
Subject: Maths
, asked on 28/2/18
64. If
z
1
a
n
d
z
2
b
e
n
t
h
roots of unity which subtend a right angle at the origin, then n must be of the form
(1) 4k (2) 4k+1
(3) 4k+2 (4) 4k+3
65. If |2z-1| = 2|z-4| then locus of z is
(l) A circle with centre (1,4) and radius 5
(2) A straight line parallel to imaginary axis
(3) A straight line parallel to real axis
(4) A parabola with focus (1,4) and vertex at (0,0)
Answer
1
Harsh
Subject: Maths
, asked on 24/2/18
for the conic section x^2+4y^2+8y-2x+1,find the coordinates of vertices ,foci, eccentricity, length of major and minor axis and latus rectum
Answer
1
Khushi Rastogi
Subject: Maths
, asked on 23/2/18
Plz.solve ques 3
3). Find equation of O which is concentrate with the O
3
x
2
+
3
y
2
-
12
x
-
18
y
-
5
=
0
&
w
i
t
h
o
u
t
t
o
u
c
h
e
s
y
-
a
x
i
s
Answer
2
Khushi Rastogi
Subject: Maths
, asked on 23/2/18
Plz solve ques no2
Answer
2
Ashwini Upadhya
Subject: Maths
, asked on 22/2/18
Show that the set of all points suchthat the difference of their distances from(4,0) and(-4,0) is always equal to 2 represents a hyperbola
Answer
1
Noel George Cherian
Subject: Maths
, asked on 21/2/18
Find the equation of the ellipse whose eccentricity is ¾, focus on the y-axis and passing through (6, 4). (ii) Find the centre and radius of the circle 3x^ 2 + 3y^ 2 + 12x − 18y − 11 = 0
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 20/2/18
Please fast
7
.
I
f
tan
α
tan
β
=
-
a
2
b
2
,
t
h
e
n
t
h
e
c
h
o
r
d
j
o
i
n
i
n
g
t
w
o
p
o
i
n
t
s
α
a
n
d
β
o
n
t
h
e
e
l
l
i
p
s
e
x
2
a
2
+
y
2
b
2
=
1
w
i
l
l
s
u
b
t
e
n
d
a
r
i
g
h
t
a
n
g
l
e
a
t
(
a
)
f
o
c
u
s
(
b
)
c
e
n
t
r
e
(
c
)
e
n
d
o
f
m
a
j
o
r
a
x
i
s
(
d
)
e
n
d
o
f
m
i
n
o
r
a
x
i
s
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 20/2/18
Plz fast
9
.
The
ratio
of
the
areas
of
triangle
inscribed
in
ellipse
x
2
a
2
+
y
2
b
2
=
1
to
that
of
triangle
formed
by
the
corresponding
points
on
the
auxiliary
circle
is
1
2
,
then
the
eccentricity
of
the
ellipse
is
(
a
)
1
2
(
b
)
3
2
(
c
)
1
2
(
d
)
1
3
Answer
1
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What are you looking for?
Q.20. A chord of the circle is drawn to pass through the origin. Show that the locus of the centre of the circle described on this chord as diameter is a circle, passing through the centre of the given circle.
Q.4. A (- a, 0); B (a, 0) are fixed points. C is a point which divides internally AB in a constant ratio tan. If AC & CB subtend equal angles at P, prove that the equation of the locus of P is .
(1) 4k (2) 4k+1
(3) 4k+2 (4) 4k+3
65. If |2z-1| = 2|z-4| then locus of z is
(l) A circle with centre (1,4) and radius 5
(2) A straight line parallel to imaginary axis
(3) A straight line parallel to real axis
(4) A parabola with focus (1,4) and vertex at (0,0)
3). Find equation of O which is concentrate with the O