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What is union sets

Posted by Dev Garg 2 years, 10 months ago

CBSE > Class 11 > Mathematics

3 answers

Prakash Chand Yadav 2 years, 10 months ago

Union means to unite ... Combination of two sets.. And if any element is common..You have to write only once.

Prislankiya Rai 2 years, 10 months ago

Let us suppose two sets- Set (A)= {1,2,3} Set (B)= {6,7,8} Then Union of set (A) and set (B) could be written as- A U B = {1,2,3,6,7,8} ?I hope it will help you to understand!!

Armaandeep Singh 2 years, 10 months ago

If you have 2 sets A and B union is that you have to write them in a single set by writing all the number in the set . If the numbers repeate write them once only

ANSWER

What is the probability that two friends will have the same birthday in the month of March?

Posted by Karan Karan 2 years, 10 months ago

CBSE > Class 11 > Mathematics

1 answers

Vanshika Bansal 2 years, 9 months ago

31/961 or 1/31

ANSWER

Solve -12x>30 then

Posted by Kunal Thakur 2 years, 11 months ago

CBSE > Class 11 > Mathematics

3 answers

Prislankiya Rai 2 years, 10 months ago

X> -5/2

Anshika Patel 2 years, 11 months ago

x<5/2

Sandhya Kumari 2 years, 11 months ago

-2.5

ANSWER

What is a sets ?

Posted by Subrato Das 2 years, 11 months ago

CBSE > Class 11 > Mathematics

3 answers

Prislankiya Rai 2 years, 10 months ago

Set is a collection of well defined objects

Shailesh Prajapati 2 years, 11 months ago

A well defined collection of the object is called sets

Hruday Reddy 2 years, 11 months ago

A well defined group of things is called sets

ANSWER

What is the smallest positive integer n for which (1+i)^2n .(1-i)^2n

Posted by Kosmita Phukan 2 years, 11 months ago

CBSE > Class 11 > Mathematics

3 answers

Prislankiya Rai 2 years, 10 months ago

Yes this qwetion is incomplete

Anshika Patel 2 years, 11 months ago

Multiplication is there or equals to???

Anshika Patel 2 years, 11 months ago

I think this question is incomplete

ANSWER

Differentiate y=e3logx + e²log³ +3^7log³x

Posted by J P 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Y equal to 3 root x power 5 + 1 by 3 root x power 7 + 4 root x

Posted by J P 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Differentiate Y equal to a by root x + b upon x minus C

Posted by J P 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Why differentiate Y equal to x power 9 + 4 e power x + 5 log 3 x minus 3 cos x + 2 sin x + 9

Posted by J P 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Differentiate Y equal to 7 cot x minus 2 X + 3 by x 5 + 4 root x minus 7 e power x

Posted by J P 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Differentiate Y equal to 7.6 x minus 7 root x + 4 x minus x power 5/2

Posted by J P 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Differentiate Y equal to 4 x square + 1 by X + 2 root x minus 7 cause cosecx

Posted by J P 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Distance to meet Y equal to Y 4 x square + 15 X + 2 root x minus 7 cos x

Posted by J P 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

1+tanA/2/1-tana/2=seca+tanA

Posted by Dhana Laxmi 2 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Harsh .Lly 2 years, 11 months ago

I don't now please help me

ANSWER

Find the derivative of y=( ax^2 +b )^2 by first principle method.

Posted by Ojal Gupta 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

For a, b, c to be in G.P what should be the value of a-b/b-c?

Posted by Guddu Kumar 2 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Rohit Kumar 2 years, 11 months ago

a/b or b/c

ANSWER

Find 'n' If np3 = 30

Posted by Rishvanth A 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

How many subset of {} have?

Posted by Vibhanshu Kumar 2 years, 11 months ago

CBSE > Class 11 > Mathematics

4 answers

Mannu Dahiya 2 years, 11 months ago

1

Mayank Babariya 2 years, 11 months ago

1

Varun Shenoy 2 years, 11 months ago

1

Pawan Kumar Chaudhary 2 years, 11 months ago

1

ANSWER

The value of /￣-16 is

Posted by Prapanchi Talukdar 2 years, 11 months ago

CBSE > Class 11 > Mathematics

3 answers

Mannu Dahiya 2 years, 11 months ago

4i

Vibhanshu Kumar 2 years, 11 months ago

+4,4!

Bishwajeet Kumar 2 years, 11 months ago

✓-16 =✓16*-1 =✓16*i² (-1=i²) =4i Answer is 4i

ANSWER

cos^2A+ cao^2(A+120°)+cos^2(A-120°)=3/2

Posted by Janvi Pandole 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

1/0

Posted by Navneet Fulwariya 2 years, 11 months ago

CBSE > Class 11 > Mathematics

3 answers

Sumit Chand 2 years, 10 months ago

Not defined or Infinity

Mannu Dahiya 2 years, 11 months ago

No defined we cannot divide any intergers with 0

Bishwajeet Kumar 2 years, 11 months ago

Not defined We cannot devide any no. with 0.

ANSWER

The minimum value of 4*x+4*1-x is

Posted by Beauty Verma 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

y=(sinx^2)^3 find dy/dx

Posted by Manan Lall 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

lim x 2 x^ 3 -3x^ 2 +4 x^ 4 -8x^ 2 +16 \\

Posted by Thakur Abhishek Raghuvanshi 2 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Saksham Sharma 2 years, 11 months ago

Nhi pata

ANSWER

3+2sini/1-sini

Posted by Black Knight 2 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Cos^3x + cos^3(2π/3+x) +cos^3(2π/3-x)=3/4cos3x

Posted by Yashika Garg 3 years ago

CBSE > Class 11 > Mathematics

1 answers

Aditya Gupta 2 years, 11 months ago

........

ANSWER

Convert -3 radian into degree

Posted by Dipanshu Agrawal 3 years ago

CBSE > Class 11 > Mathematics

2 answers

Dipanshu Agrawal 2 years, 11 months ago

Thankyou

Varun Agarwal 2 years, 11 months ago

We convert degree to radians by multiplying it by pi/180

ANSWER

1(_i+i)_15

Posted by Vijay Shinde 3 years ago

CBSE > Class 11 > Mathematics

1 answers

Aashay Tembhurne 3 years ago

(Assuming the underscore is actually -ve sign) i-i=0 therefore answer is -15

ANSWER

In a company 100 employees were offered for work. Out of them 10 employees offered ground floor only, 10 offered 2nd floor only, 15 employees were offered 1st floor only, 25 were offered 1st and 2nd floor, 15 employees offered ground and 1st floor, 30 employees offered 2nd and ground floor, 60 employees offered 2nd floor. a) the number of employees offered all three floors 1)5 2)3 3)4 4)6 b) the number of employees offered ground floor 1)50 2)60 3)65 4)70 c) the number of employees offered 1st floor 1)40 2)45 3)50 4)55 d) the number of employees offered ground and 1st floor but not 2nd floor 1)10 2)15 3)20 4)25 e) the number of employees who did not offer any of the above floors 1)15 2)10 3)5 4)0

Posted by Aashay Tembhurne 3 years ago

CBSE > Class 11 > Mathematics

1 answers

Sidharth Basu 9 months, 1 week ago

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ANSWER

cosA+cosB+cosC=1+4sinA/2 sinB/2 sinC/2

Posted by Angel Pc 3 years ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

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