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Let R={(a,b):a,b € Z and (a-b)is even} Then, show that R is an equivalence relation on Z.

Posted by Khushi Baranwal 7 years, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Let A be a non empty set such that A×B=A×c.show that B=c

Posted by Aadhi Aadhi 7 years, 7 months ago

CBSE > Class 11 > Mathematics

2 answers

Armaanjot Singh 7 years, 7 months ago

We know that A*B=A*C So it can be B=A*C/A THEREFORE A WILL BE CANCLED OUT ND LEFT =B=C. HENCE PROVED

0Thank You

Kashish Wadhwa 7 years, 7 months ago

A*B=A*C A/A B=C B=C

1Thank You

ANSWER

Two sides of a rhombus are along the lines,x-y+1=0 and 7x-y-5=0,if its diagonals intersect at (-1,-2) then which is a vertex of this rhombus?

Posted by Ayush Kaul 7 years, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

What is derivatives

Posted by Tanisha Arora 7 years, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

a+d+g

Posted by Abhijeet Singh 7 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Amanpreet Singh 7 years, 7 months ago

a+d+g

1Thank You

ANSWER

What is Tegnomentry

Posted by Mohd Fareed 7 years, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

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sqrt(6-x)+sqrt(x-10)>0

Posted by Pranjal Sarkar 7 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Ayaaz Ansari 7 years, 7 months ago

sqrt(6-x) + sqrt(x-10) >0

on squaring....

6-x + x-10 +2[sqrt(6x-60-x2+10x)] >0 (x2=square(x))

-16 +2 sqrt(-x2+16x-60)>0

on solving this equation.......we can get the answer i.e.

(x-6)(-x+10)>sqr(8)

(x-6)(-x+10)>64

u can easily solve this.........

0Thank You

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A circular wire of radius 3 cm is cut and bent so as to lie along the circumference of a hoop whose radiush is 40 cm .find in degree thi angle which is subtended at the centre of the hoop

Posted by Ravi Kumar 7 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Burst Youtube 5 years, 8 months ago

Abe pagl itna easy h tujhse yeh ni ho rha h tu Mt pd

2Thank You

ANSWER

If in triangle abc tana+tanb+ tanc=0 then cota×cotb×cotc =?

Posted by Geet Anjali 7 years, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

{x: x is an integer , -1/2< x<9/2}

Posted by Lovisha Garg 7 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Khushi Baranwal 7 years, 7 months ago

={0,1/2,1,3/2,2,5/2,3,7/2,4}And. First element =0/2=0. Third element=2/2=1. Fifth element=4/2=2. Sixth element=6/2=3. Eighth element=8/2=4.

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ANSWER

I heard that results will come on may 27 is it right friends

Posted by Deepika Tiwari 7 years, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Formula of limits

Posted by Jj Nick 7 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Armaanjot Singh 7 years, 7 months ago

No any formula for units

2Thank You

ANSWER

Express 4 root 1250 in its simplest form

Posted by Aman Shukla 5 years ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

255+986

Posted by Mandheer Nishad 7 years, 7 months ago

CBSE > Class 11 > Mathematics

4 answers

Lovely Dhawan 7 years, 7 months ago

1241

1Thank You

Dikshita Patidar 7 years, 7 months ago

1241

1Thank You

Deepika Tiwari 7 years, 7 months ago

Wah don't know addition

0Thank You

Biology Lover 7 years, 7 months ago

1241

0Thank You

ANSWER

Show that A U (A intersection B ) = A

Posted by Sanskar Sihoriya 7 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Biology Lover 7 years, 7 months ago

Let A={1,2} and B={3,4} A intersection B ={1,2} intersection{3,4} =¢ AUB(AintB)={1,2}U¢ ={1,2}is A???

3Thank You

ANSWER

Sin(b-c)cos(a-d)+sin(c-a)cos(b-d)+sin(a-b)cos(c-d)=0

Posted by Robin Yadav 7 years, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Tan 15 +cot 15=4 prove

Posted by Ishika Padhaniya 7 years, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

hey have u all sience started coachings?????

Posted by Harry Potter 7 years, 7 months ago

CBSE > Class 11 > Mathematics

6 answers

Lovely Dhawan 7 years, 7 months ago

Nooo

1Thank You

Edu Friends 7 years, 7 months ago

Noooooooooooo?????????????

1Thank You

Armaanjot Singh 7 years, 7 months ago

Yess

0Thank You

Amrit Amrit 7 years, 7 months ago

0Thank You

Vaibhav Sharma 7 years, 7 months ago

yes

0Thank You

Rahul Jakhar 7 years, 7 months ago

Noooooo

0Thank You

ANSWER

prove: A U B U C =A' U B' - C'

Posted by Kishan Gupta 7 years, 7 months ago

CBSE > Class 11 > Mathematics

3 answers

Armaanjot Singh 7 years, 7 months ago

This can be proved with the hlp of Venn diagram

2Thank You

Biology Lover 7 years, 7 months ago

Take examples of a b c

0Thank You

Aqsha Aqsha 7 years, 7 months ago

What is this????

0Thank You

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How can we take the value of theeta in complex number a

Posted by Manoj Saini 7 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Armaanjot Singh 7 years, 7 months ago

If u want to take theeta complex u can. Take 3.14285714...... Nd so on

0Thank You

ANSWER

who is mathematics lover

Posted by Navneet Kaur 7 years, 7 months ago

CBSE > Class 11 > Mathematics

2 answers

Aqsha Aqsha 7 years, 7 months ago

I love maths.

0Thank You

Jyoti K 7 years, 7 months ago

no i am not mathematics lover

0Thank You

ANSWER

Let A and B be 2 set in the same universal set.Then A-B=

Posted by Himanshu Kaliraman 7 years, 7 months ago

CBSE > Class 11 > Mathematics

4 answers

Armaanjot Singh 7 years, 7 months ago

B complement

0Thank You

Swapnil Pandey 7 years, 7 months ago

A-(A intersection B)

1Thank You

Navneet Kaur 7 years, 7 months ago

ans is a

0Thank You

Biology Lover 7 years, 7 months ago

0Thank You

ANSWER

Sin A sin (60-A) sin (60+A)=1/4 sin3 A

Posted by Neeraj Chaudhary 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Ayush Jain 7 years, 8 months ago

Chal be

1Thank You

ANSWER

0÷0 is not equal to 0 why

Posted by Aryan Pratap Singh Rana 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Swapnil Pandey 7 years, 7 months ago

0÷0=0

0Thank You

ANSWER

Data handling

Posted by Satyam Tiwary 7 years, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

If a dictionary is created in which only the letters of the word OLYMPIAD are used then what is the rank of the word OLYMPIAD in that dictionary? Please reply fast.

Posted by Kunal Rajour 7 years, 8 months ago

CBSE > Class 11 > Mathematics

2 answers

Kunal Rajour 7 years, 7 months ago

No it is more than 28000

0Thank You

Aanchal Agarwal 7 years, 8 months ago

6th

1Thank You

ANSWER

A is contains in B show that B'contain in A plz plz.z.zzzzzzzz plz.? Help

Posted by Edu Friends 7 years, 8 months ago

CBSE > Class 11 > Mathematics

5 answers

Armaanjot Singh 7 years, 7 months ago

Can be easily proved by Venn diagram

0Thank You

Swapnil Pandey 7 years, 7 months ago

B' DOES NOT CONTAIN IN A.THIS CAN BE EASILY PROVED BY VENN DIAGRAM

0Thank You

Chandan Shetty 7 years, 8 months ago

0Thank You

Brar ? 7 years, 8 months ago

Yess

0Thank You

Aman Kumar 7 years, 8 months ago

Anybody's there who..wre using this aap in class 10

0Thank You

ANSWER

Domain range

Posted by Parvej Shahir 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Armaanjot Singh 7 years, 7 months ago

Suppose (X, y) here X is domain Nd y is range

0Thank You

ANSWER

Who had completed the whole maths book?? (I m done)

Posted by Saurav Ingti 7 years, 8 months ago

CBSE > Class 11 > Mathematics

4 answers

Swapnil Pandey 7 years, 7 months ago

I have completed whole rd and ncert matjs of 11th

0Thank You

Harry Potter 7 years, 7 months ago

10th ki katam ki h kya

0Thank You

Sneha Goyal 5 years, 8 months ago

Rs aggarwal

1Thank You

Geet Anjali 7 years, 8 months ago

Itna jaldi ,kaise ,kaunsa book Rd sharma itna jaldi khatm to nai hota h

2Thank You

ANSWER

Who will get above 96 percentage marks in class 10

Posted by Gagandeep Singh 7 years, 8 months ago

CBSE > Class 11 > Mathematics

3 answers

Swapnil Pandey 7 years, 7 months ago

I will get about 95 or 96 %

0Thank You

Biology Lover 7 years, 8 months ago

Someone will get

1Thank You

Sandhya Verma 7 years, 8 months ago

Topper

4Thank You

ANSWER

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