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Tushar
Subject: Maths
, asked on 18/2/18
Pleasesolve this equation in example 13
Answer
1
Akchunya Chanchal
Subject: Maths
, asked on 13/2/18
Find the length of the line segment joining the vertex of the parabola
y
^{2}
= 4
ax
and a a point on the parabola where the line segment makes an angle θ to the
x
-axis.
Answer
3
Ruba Balu
Subject: Maths
, asked on 10/2/18
Q.10. Find the equation of a circle which passes through the centre of the circle
${x}^{2}+{y}^{2}+8x+10y-7=0$
and is concentric with the circle
$2{x}^{2}+2{y}^{2}-8x-12y-9=0$
.
Answer
1
Ruba Balu
Subject: Maths
, asked on 10/2/18
How 1/2 * length of major axis =1/2 a. It should be only a ri8? Like 1/2 * 2a = a?
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 10/2/18
Question 11. Plz fast
Q.11. The tangents to
${x}^{2}+{y}^{2}={a}^{2}$
having inclinations
$\alpha and\beta $
intersect at P. If
$cot\alpha +cot\beta =0$
, then the locus of P is
(a) x + y = 0
(b) x - y = 0
(c) xy = 0
(d) xy = 1
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 10/2/18
Plz fast .no links
Q.5. If the vertex and focus of a parabola are (3, 3) and (- 3, 3) respectively, then its equation is
(a)
${x}^{2}-6x+24y-63=0$
(b)
${x}^{2}-6x+24y+81=0$
(c)
${y}^{2}-6y+24x-63=0$
(d)
${y}^{2}-6y-24x+81=0$
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 9/2/18
Plz fast
$Ifthevertexandfocusofaparabolaare(3,3)and(-3,3)respectively,thenitsequationis:\phantom{\rule{0ex}{0ex}}\left(a\right){x}^{2}-6x+24y-63=0\phantom{\rule{0ex}{0ex}}\left(b\right){x}^{2}-6x+24y+81=0\phantom{\rule{0ex}{0ex}}\left(c\right){y}^{2}-6y+24x-63=0\phantom{\rule{0ex}{0ex}}\left(d\right){y}^{2}-6y-24x+81=0$
Answer
1
Manveen Kaur
Subject: Maths
, asked on 7/2/18
Solve this:
Answer
1
Manveen Kaur
Subject: Maths
, asked on 7/2/18
plz solve all questions i am asking them for second time and i am having exam
Answer
1
Manveen Kaur
Subject: Maths
, asked on 4/2/18
Solve question 24 , 25 and26
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 31/1/18
Answer fast
$Throughafixedpoint(h,k),secantsaredrawntothecircle{x}^{2}+{y}^{2}={r}^{2}.Showthatthelocusofmidpointofthe\phantom{\rule{0ex}{0ex}}theportionsofsecantsinterceptedbytheircleis{x}^{2}+{y}^{2}=hx+ky.$
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 31/1/18
Q.):- Find the equation of the chord of the circle
${x}^{2}+{y}^{2}={r}^{2}$
passing through the point (2, 3) farthest from the centre.
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 31/1/18
Example.57.
Find the locus of middle points of chords of the circle
${x}^{2}+{y}^{2}={a}^{2}$
, which subtend right angle at the point (c, 0).
Answer
1
Harshraj Gupta
Subject: Maths
, asked on 26/1/18
Q 3,4
Answer
2
Harshraj Gupta
Subject: Maths
, asked on 26/1/18
Tll q 3,4
Answer
1
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y^{2}= 4axand a a point on the parabola where the line segment makes an angle θ to thex-axis.Q.11. The tangents to ${x}^{2}+{y}^{2}={a}^{2}$ having inclinations $\alpha and\beta $ intersect at P. If $cot\alpha +cot\beta =0$, then the locus of P is

(a) x + y = 0

(b) x - y = 0

(c) xy = 0

(d) xy = 1

Q.5. If the vertex and focus of a parabola are (3, 3) and (- 3, 3) respectively, then its equation is

(a) ${x}^{2}-6x+24y-63=0$

(b) ${x}^{2}-6x+24y+81=0$

(c) ${y}^{2}-6y+24x-63=0$

(d) ${y}^{2}-6y-24x+81=0$

$Ifthevertexandfocusofaparabolaare(3,3)and(-3,3)respectively,thenitsequationis:\phantom{\rule{0ex}{0ex}}\left(a\right){x}^{2}-6x+24y-63=0\phantom{\rule{0ex}{0ex}}\left(b\right){x}^{2}-6x+24y+81=0\phantom{\rule{0ex}{0ex}}\left(c\right){y}^{2}-6y+24x-63=0\phantom{\rule{0ex}{0ex}}\left(d\right){y}^{2}-6y-24x+81=0$

Answer fast$Throughafixedpoint(h,k),secantsaredrawntothecircle{x}^{2}+{y}^{2}={r}^{2}.Showthatthelocusofmidpointofthe\phantom{\rule{0ex}{0ex}}theportionsofsecantsinterceptedbytheircleis{x}^{2}+{y}^{2}=hx+ky.$

Example.57.Find the locus of middle points of chords of the circle ${x}^{2}+{y}^{2}={a}^{2}$, which subtend right angle at the point (c, 0).