04:53

Integration of xSecx/(Secx+tanx) limits 0 to pi

03:40

sin theta/1-cos theta=cosec theta+cot theta

03:44

Find the mean of the following frequency distribution using step-deviation method-Class 0-10…

03:23

Prove that Cosx/(1-Sinx)=tan(pi/4+x/2) Trigonometry 11th Maths

09:06

Integral ∫{(x/e)2x - (e/x)x} logex dx | IIT JEE NDA Maths

08:22

With the increasing demand and supply pressure worldwide, India has emerged as a competitive…

06:54

Example 17: A pole has to be erected at a point on the boundary of a circular park of diameter 13…

05:12

A farmer wants to make a rectangular pen for his sheep in the garden near his house. To make the…

06:13

Two schools 'P' and 'Q' decided to award prizes to their students for two gemes of Hockey * x per…

02:52

If the volume of two spheres are in the ratio is 64:27, then what is the ratio of their surface…

07:02

During a health check-up camp, three types of patients registered themselves. 60 were suffering…

06:06

As we know a tree or a plant needs both soil and water along with sunlight to grow. It will have…

04:30

Find the number of revolutions made by a circular wheel of area 6.16 m2 in rolling a distance of…

07:57

Three horses are tied at the vertices of a triangular park of sides 35 m, 84 m and91 m with the…

02:05

A pendulum swings through an angle of 45° and describes an arc of length 22 cm. Find the length…

02:39

The circumference of a circle exceeds the diameter by 16.8 cm. Find the radius of the circle.

03:33

Ifh, c and V respectively represent the height, curved surface area and volume of a cone, prove..

05:07

A cone of maximum size is carved out from a cube of edge 14 cm. Find the surface area of the…

03:53

Solve ax/b-by/a=a+B & ax-by=2ab linear Equation

08:27

India meteorological department observes seasonal and annual rainfall every year in different…

05:46

In an annual day function of a school, the organizers wanted to give a cash prize along with a…

05:42

Two circles touch internally.The sum of their areas is 116π cm2 and the distance between their…

05:27

Two circles touch externally. The sum of their areas is 130 πsq cm and the distance between their…

10:12

A buffalo, a cow and a horse are tied to pegs at the corners of a right triangular field…

07:32

The men's 200 m race event at the 2020 Tokyo Olympic took place on 3rd and4th August. A stopwatch…

04:51

Case study Question-2

09:42

Case study Q-1

04:15

DE Q11

07:25

DE Q10

04:13

DE Q9

05:32

DE Q8

06:40

DE Q7

05:29

DE Q6

04:35

DE Q5

04:22

DE Q4

03:08

DE Q3

03:34

DE Q2

04:18

DE Q1

07:38

Aisha took a pack of 52 cards. She kept aside all the face cards and.. Case study Question

04:02

Akriti and Sukriti have to start the game of ludo. They are fighting for who will start the…

08:28

If A & B are independent events then prove :(i) A and B' are independent…

04:46

Let f:N→N be defined by f(n)={n+12,if n is oddn2,if n is even} for all n∈N. State whether the…

05:42

Show that f : N→N, given by f(x)={x+1, if is odd, x-1, if x is even is both one-one and onto.

06:35

Consider a function f:R→[−5,∞) defined f(x)=9x 2 +6x−5. Show that f is One-one and onto function,….

03:12

Show that the function f:Z→Z:f(x)=x3 is one-one but not onto.

03:05

Show that the function f:R→R:f(x)=x3 is one-one onto and hence bijective.

03:06

Show that the function f:R→R:f(x)=x3 is one-one but not onto.

03:26

Show that the function f:Z→Z:f(x)=x2 is neither one-one nor onto.

03:03

Show that the function f:R→R:f(x)=x2 is neither one-one nor onto.

03:42

Show that the function f:N→N:f(x)=x2 is one-one but not onto.

02:42

Show that the function f:Z→Z:f(x)=2x is one-one but not onto.

02:53

Show that the function f:R→R:f(x)=2x is one-one and onto and hence Bijective.

03:26

Show that the function f:N→N:f(x)=2x is one-one but not onto.

07:34

Prove that the relation R on set NXN defined by (a,b)R(c,d) such that a+d=b+c , for all (a,b),..

07:13

Let R be a relation on a set of ordered para of positive integers defined by (a,b)R(c,d) ⇒ ad=bc ;

08:18

Relation defined by (a,b)R(c,d), if ad(b+c)=bc(a+d), then show that R is an equivalence relation.

09:15

Show that each of the relation R in the set A={x∈Z:0≤x≤12},given by R={(a,b):|a−b|is a multiple of 4

06:09

In a set of natural numbers, a relation R is defined as aRb ⇔ a2–4ab+3b2=0, (a,b∈N) Prove that R..

04:22

Show that the relation R in R defined as R = {(a,b):a≤b}, is reflexive and transitive but not symm.

05:03

Show that the relation R in the set R of real numbers, defined as R={(a,b):a≤b2} is neither reflex..