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Mathematics
List of top Mathematics Questions asked in JEE Main
If set A = { z: |z - 1| ≤ 1} and set B = { z: |z - 5i| ≤ |z - 5| }, if z = a + ib, where a, b ∈ I, then find the sum of modulus squares of A ∩ B.
JEE Main
Mathematics
complex numbers
Let A = [1, 2, 3, 4, 5], m be the number of relations such as 4x ≤ 5y XRY and n be the minimum number of elements to be added from A × A to make a symmetric relation. Then the value of n + m.
JEE Main
Mathematics
Operations on Real Numbers
Let $\lambda \in R , \vec{a}=\lambda \hat{i}+2 \hat{j}-3 \hat{k}, \vec{b}=\hat{i}-\lambda \hat{j}+2 \hat{k}$.If $((\vec{a}+\vec{b}) \times(\vec{a} \times \vec{b})) \times(\vec{a}-\vec{b})=8 \hat{i}-40 \hat{j}-24 \hat{k}$, then $|\lambda(\vec{a}+\vec{b}) \times(\vec{a}-\vec{b})|^2$ is equal to
JEE Main
Mathematics
Vector Algebra
\(I(x)=\int\frac{6dx}{sin^2x(1+\cot x)^2}\)
and I(0) then I (
\(\frac{\pi}{2}\)
) is equal to
JEE Main
Mathematics
integral
If the length of focal chord of y
2
= 12x is 15 and if the distance of the focal chord from origin is p then 10p
2
is equal to:
JEE Main
Mathematics
Parabola
If $f(x)= 3\sqrt{(x-2)}+\sqrt{4-x }$ If minimum value = α Maximum value = β find $α2 + β2 $.
JEE Main
Mathematics
Relations and functions
The sum to $10$ terms of the series $\frac{1}{1+1^2+1^4}+\frac{2}{1+2^2+2^4}+\frac{3}{1+3^2+3^4}+\ldots $ is
JEE Main
Mathematics
Series
If the normal at point P
(
a
t
1
2
,
2
a
t
1
)
and
Q
(
a
t
2
2
,
2
a
t
2
)
on the parabola
y
2
=
4
a
x
meet on the parabola, the
t
1
t
2
equals
JEE Main
Mathematics
Parabola
If 4x
2
+ py
2
= 45 and x
2
- 4y
2
= 5 cut orthogonally, then the value of p is:
JEE Main
Mathematics
Parabola
P
Q
and
R
S
are two perpendicular chords of the rectangular hyperbola
x
y
=
c
2
. If
C
is the centre of the rectangular hyperbola, then the product of the slopes of
C
P
,
C
Q
,
C
R
and
C
S
is equal to:
JEE Main
Mathematics
Hyperbola
The circle
x
2
+
y
2
+
4
x
−
7
y
+
12
=
0
cuts an intercept on
y
-axis of length
JEE Main
Mathematics
Circle
Find the equation of normal to the curve
y
=
(
1
+
x
)
y
+
sin
−
1
(
sin
2
x
)
at
x
=
0
JEE Main
Mathematics
Application of derivatives
The derivative of
s
e
c
-
1
1
2
x
2
-
1
with respect to
1
-
x
2
at
x
=
1
2
is:
JEE Main
Mathematics
Application of derivatives
The rate of change of volume of a sphere with respect to its surface area when the radius is 4 cm is:
JEE Main
Mathematics
Surface Areas and Volumes
If A = {1, 2, 3, 4, 6} and R is a relation on A such that R = {(a, b) : a, b ∈ A and b is exactly divisible by a} then find the number of elements present in the range of R?
JEE Main
Mathematics
Relations and functions
The number of terms of an
A
P
is even. The sum of the odd terms is
24
and of the even terms is
30
. The last term exceeds the first by
10
1
2
. Then the number of terms in the series is ______.
JEE Main
Mathematics
Sequence and series
If |x + 1||x + 3| – 4|x + 2| + 5 = 0, then sum of squares of solutions is
JEE Main
Mathematics
General and Particular Solutions of a Differential Equation
The sum of the first
16
terms of an AP whose first term and the third term are
5
and
15
respectively is
JEE Main
Mathematics
Arithmetic Progression
The mean and variance of $5$ observations are $5$ and $8$ respectively If $3$ observations are $1,3,5$, then the sum of cubes of the remaining two observations is
JEE Main
Mathematics
Mean Deviation
If the orthocentre of the triangle, whose vertices are $(1,2),(2,3)$ and $(3,1)$ is $(\alpha, \beta)$, then the quadratic equation whose roots are $\alpha+4 \beta$ and $4 \alpha+\beta$, is
JEE Main
Mathematics
Definite Integral
Let relation defined as $(x_1, y_1) \,R (x_2, y_2)\, x_1 ≤ x_2,\, y_1 ≤ y_2$ and given that
(a) R is reflexive but not symmetric.
(b) R is transitive. then
JEE Main
Mathematics
Relations and functions
Consider the equation ax
2
+ bx + c = 0 . Find probability if a, b, c ∈ A where A = {1,2,3, ... , 8} that the equation has equal roots.
JEE Main
Mathematics
Probability
Consider a equation P(x)= ax
2
+ bx + c =0. If a,b,c ∈ A, were A = {1, 2, 3, 4, 5, 6} . Then the probability that P(x) has real and distinct roots?
JEE Main
Mathematics
Probability
If S = {2, 4, 8, 16, ..., 512}. If S is broken in 3 equal subsets A, B and C such that A∩B = B∩C = C∩A = φ and A∪B∪C = S then maximum number of ways to break is
JEE Main
Mathematics
permutations and combinations
\(\left( \frac{3^{\frac{1}{5}}}{x}+\frac{2x}{5^\frac{1}{3}} \right)^{12}\)
Find which term is constant.
JEE Main
Mathematics
Polynomials
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