⏱️
Exam Countdown: JEE Main 2026
×
✅ Notes download problem fixed!
Download Now →
App
Explore
PYQs
Discuss
Journal
Log in
Play Store
📱
Get App
🔍
Explore
📚
PYQs
💬
Discuss
📓
Journal
🔐
Log in
Get App on Play Store
© 2026 JeeHub. All rights reserved.
Q.) Let y = f(x) be a parabola, having its axis parallel to y-axis, which is touched by the line y = x at x = 1, then
[A]
2f(0) = 1-f'(0)
[B]
f'(0) + f(0) + f''(0) = 1
[C]
f'(1) = 1
[D]
f'(0) = f'(1)
[A] 2f(0) = 1-f'(0)
[B] f'(0) + f(0) + f''(0) = 1
[C] f'(1) = 1
[D] f'(0) = f'(1)
Submit
Parabola 📚
1
The equation of the parabola whose focus is the point (0, 0) and the tangent at the vertex is x-y+1= ...
2
The curve represented by the equation √px+√qy = 1, where p, q ∈ R, p, q>0 is ...
3
If parabola y² = qx and 25[(x - 3)² + (y+2)²] = (3x-4y-2)² are equal, then value of q is ...
4
If the segment intercepted by the parabola y = 4ax with the line lx+my+n=0 subtends a right angle at ...
5
The graph of the curve x² + y²-2xy-8x-8y+32=0 falls wholly in the ...
6
A point P(x, y) moves in xy plane such that x = a cos² θ and y = 2a sin θ, where θ is a parameter. T ...
7
A water jet from a fountain reaches its maximum height of 4 m at a distance 0.5 m from the vertical ...
8
Vertex of the parabola whose parametric equation is x=t²-t+1, y=t²+1+t; t ∈ R, is ...
9
The ratio in which the line segment joining the points (4,-6) and (3, 1) is divided by the parabola ...
10
If (a, b) is the midpoint of a chord passing through the vertex of the parabola y² = 4x, then ...
11
A set of parallel chords of the parabola y² = 4ax have their midpoints on ...
12
A line L passing through the focus of the parabola y² = 4(x-1) intersects the parabola in two distin ...
13
If PSQ is the focal chord of the parabola y² = 8x such that SP=6. Then the length of SQ is ...
14
The circle x² + y² + 2λx = 0, touches the parabola y² = 4x externally. Then ...
15
If a ≠ 0 and the line 2bx + 3cy + 4d = 0 passes through the points of intersection of the parabolas ...
16
Let P be the point (1, 0) and Q a point on the locus y² = 8x. The locus of the midpoint of PQ is ...
17
Let y = f(x) be a parabola, having its axis parallel to y-axis, which is touched by the line y = x a ...
18
An equilateral triangle SAB is inscribed in the parabola y^2 = 4ax having its focus at 'S'. If chord ...
19
Let S be the focus of y² = 4x and a point P is moving on the curve such that its abscissa is increas ...
20
Two parabolas have the same focus. If their directrices are the x-axis and the y-axis, respectively, ...
21
Parabolas y² = 4a(x - c1) and x² = 4a(y - c2), where c₁ and c₂ are variable, are such that they touc ...
22
The locus of a point on the variable parabola y² = 4ax, whose distance from focus is always equal to ...
23
C is the centre of the circle with centre (0, 1) and radius unity. P is the parabola y = ax². The se ...
24
The length of the chord of the parabola y² = x which is bisected at the point (2, 1) is ...
25
The triangle PQR of area 'A' is inscribed in the parabola y² = 4ax such that the vertex P lies at th ...
26
If A1B1 and A2B2' are two focal chords of the parabola y² = 4ax, then the chords A1'A2' and B1'B2' i ...
27
P(x, y) is a variable point on the parabola y² = 4ax and Q(x+c, y+c) is another variable point, wher ...
28
If a and C are the lengths of segments of any focal chord of the parabola y² = 2bx (b>0), then the r ...
29
AB is a chord of the parabola y² = 4ax with vertex A. BC is drawn perpendicular to AB meeting the ax ...
30
Set of values of a for which the point (a, 1) lies inside the curves x^2 + y^2 - 4 = 0 and y^2 = 4x ...
31
If P be a point on the parabola y² = 3(2x - 3) and M is the foot of perpendicular drawn from P on th ...
32
If y = mx + c touches the parabola y² = 4a(x + a), then ...
Get App on Play Store