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""NIKKI"" And SARITA Are two girls born in the SAME YEAR , WHAT IS THE PROBABILITY THAT THEY WILL HAVE SAME BIRTHDAYS??

Posted by Vishal Pathak 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Rajat Vashisth 7 years, 8 months ago

1/365

ANSWER

Define power sets

Posted by Vishal Pathak 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Prince Jha 7 years, 8 months ago

Power set is nothing but it is a set which contains all elements which present in question under consideration.

ANSWER

Any 1 opting PCME???????

Posted by Chandan Shetty 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Adarsh Singh 7 years, 8 months ago

Yes me

ANSWER

Find the squreroot of √2+√3i

Posted by Ajay Kumar 7 years, 8 months ago

CBSE > Class 11 > Mathematics

2 answers

Gaurav Singh 7 years, 8 months ago

Its e not i

Gaurav Singh 7 years, 8 months ago

19.4e

ANSWER

Is rd sharma is right book to choose ??

Posted by Mehak Kaur 7 years, 8 months ago

CBSE > Class 11 > Mathematics

2 answers

Ria Agarwal 7 years, 8 months ago

Yes but r.s. aggarwal is also good.

Aditi Sharma 7 years, 8 months ago

Yes...

ANSWER

Is miscellaneous exercise comes in exam?

Posted by Lokesh Gupta 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Mayank Lakhina 7 years, 8 months ago

yes of course why not

ANSWER

Inverse tegnomentry

Posted by Vaibhav Nagar 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Savreen Bhullar 7 years, 8 months ago

Sin =1/cosec. Cos=1/sec. Tan=1/cot

ANSWER

If u = $ x : x € N, x<_30$ , A = $ x is prime <5$ ,B = $ x : x is a perfect square<_10$ and C =$ x: x is a perfect cube<_30$ then verify the following result

Posted by Tanveer Dhanda 7 years, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Let A=(-infinity,15) and B=(4,20) then find A intersection B

Posted by Palak Vidyarthy 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Vanshita Agarwal 7 years, 8 months ago

( ) means not included and A intersection B means that the must be in A as well as B. So, answer is (4,15).

ANSWER

Hey guys.

Posted by Shivshant Upadhyay 5 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Deepanshi D. P 7 years, 8 months ago

.........?

ANSWER

tan225°×cot405°+tan765°×cot675°=0

Posted by Jayant Anand 7 years, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find all the zeros of the polynomial x to the power 4 minus 3 x cube minus 5 x square + 21 x minus 14 if two of its zeros are under root 7 and minus under root 7

Posted by Shivang Agrahari 7 years, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find the domain and range of the real function f (x)=x-2/3-x

Posted by Pallabi Dutta 7 years, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

In a group of 1000 people ,there are 750 who can speak hindi and 400 who can speak english. How many can speak english only ?

Posted by Suraj Kumar Yadav 7 years, 8 months ago

CBSE > Class 11 > Mathematics

4 answers

Suraj Kumar Yadav 7 years, 7 months ago

can anybody help me in this question

Mayank Lakhina 7 years, 8 months ago

150

Samir Kaushik 5 years, 8 months ago

We can find it after having proper knowledge of sets. The answer is 150

Dhruv Goyal 7 years, 8 months ago

some people speak hindi as well. as english

ANSWER

Science stream ke liye kitni percentage ki zaroorat Hoti hai

Posted by Priyanshu Mishra 7 years, 8 months ago

CBSE > Class 11 > Mathematics

3 answers

Mayank Lakhina 7 years, 8 months ago

100%

Sonu Kumar 5 years, 8 months ago

33%

Suraj Kumar Yadav 7 years, 8 months ago

i think minimum 75%

ANSWER

Please prove the HERON'S FORMULA....

Posted by Vishnu Verma 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Twinkle Pal 7 years, 8 months ago

Pen de

ANSWER

Do I need to study full course for final examination or the question paper will be from only second half.

Posted by Manish Mewara 7 years, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Which book is more useful of maths??

Posted by Keshav Sarangal 7 years, 8 months ago

CBSE > Class 11 > Mathematics

5 answers

Mayank Lakhina 7 years, 8 months ago

elements

Pawan Kumar 7 years, 8 months ago

First of all you complete ncert book then other side you can use

Vishnu Verma 7 years, 8 months ago

I think NCERT as well as K.C.SINHA

Keshav Sarangal 7 years, 8 months ago

Ok

Ananya Aggarwal 7 years, 8 months ago

i suggest u to stick to ncert for 11th ......once u complete it try examplar problems

ANSWER

The number of rats in india is an example of finite sets or infinite sets? Explain with reasons.

Posted by Rajat Vashisth 7 years, 8 months ago

CBSE > Class 11 > Mathematics

3 answers

Biology Lover 7 years, 8 months ago

Because we can count the rats

Biology Lover 7 years, 8 months ago

Finite

Rishant Mastwal 7 years, 8 months ago

It is infinite set because we can't able to count them..

ANSWER

X^2+9X^2÷(X+3)=27 findX

Posted by Aayush Patel 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Rishant Mastwal 7 years, 8 months ago

x^2+9x^2=27(x+3) 10x^2=27x+81 10x^2-27x-81=0 x=-(-27)+_√(27)^2-4(10)(-81)/20 x=27+_√729+3240/20 x=27+_√3969/20 x=27+_63/20 x=90/20=4.5 or x=-46/2=-23

ANSWER

What is tha values of Sin15°?

Posted by Gourav Deb 7 years, 8 months ago

CBSE > Class 11 > Mathematics

2 answers

Dhruv Goyal 7 years, 8 months ago

its value ( root of 3 - 1) /2root of 2

Raaz Kashyap 7 years, 8 months ago

sin(45°-30°) using formula of sin(A-B)= sinA×cosB - cosA×sinB.

ANSWER

Are ø and {ø} are same?

Posted by Gourav Deb 7 years, 8 months ago

CBSE > Class 11 > Mathematics

2 answers

Raaz Kashyap 7 years, 8 months ago

No, first one is null set while second one is singleton set which is consisted of a null set as it's element.

Pruthviraj Biradar 7 years, 8 months ago

.

ANSWER

I'm having compartment in mathematics so i want to know that whether the paper comes tough or easy And can have one compartment paper of last year so that I can go through it and have an idea about the paper which is going to come this year Please tell me from where I have to download the paper

Posted by Aditya Kumar 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Deepanshi D. P 7 years, 8 months ago

But in 10 noo compartment...! U in 11 naa

ANSWER

Factorize :- 2x square +5x +2

Posted by Rishabh Maurya 7 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Rishant Mastwal 7 years, 8 months ago

2x^2+5x+2=0 2x^2+4x+x+2=0 2x(x+2)+1(x+2)=0 (2x+1)(x+2)=0 x=-1/2 or -2

ANSWER

Solve the inequality by wavy curve method :- (x-1)square *( x+1)cube / x (power4) * (x-2) < 0

Posted by Rishabh Maurya 7 years, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Prove that, tan 3x=3tanx-tan^3x÷1-3tan^2x

Posted by Ritesh Kumar 7 years, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

If A={1,2,3} then write p (A)

Posted by Uu Singh Said 7 years, 8 months ago

CBSE > Class 11 > Mathematics

5 answers

Biology Lover 7 years, 8 months ago

P{a} is also known as subset so {1},{2}, {3},{1,2},{2,3},{3,1},{1,2,3},¢, total 8

Rishant Mastwal 7 years, 8 months ago

4) Here we get a=4 ,d=5 and Sn=254 As we know, Sn=n/2[2a+(n-1)d] 254=n/2[8+5n-5] 508=n[5n+3] 508=5n^2+3n 5n^2+3n-508=0 Now further you do it yourself..

Uu Singh Said 7 years, 8 months ago

Find the centre and radius of the circle xsqure +ysqure - 8x-4y-5 =0

Uu Singh Said 7 years, 8 months ago

Find the coordinates of the point that trisect the line segment joining the points (1,-2,7)&(4,1,-5)

Uu Singh Said 7 years, 8 months ago

Which term of the series 4 +9+14+........is254

ANSWER

Is my decision correct for choose commerce with maths.....?

Posted by Deepanshi D. P 7 years, 8 months ago

CBSE > Class 11 > Mathematics

4 answers

Jay Mahakaal 7 years, 8 months ago

Decision correct yrrr

Deepanshi D. P 7 years, 8 months ago

Thanks yarr

Mani Tiwari 7 years, 8 months ago

Fix ur target and then claim for the subject... Without any external pressure

Mani Tiwari 5 years, 8 months ago

Ur decision is ryt or not depends on ur aim dear

ANSWER

Let f(x)=Ax^2+Bx+C where A,B,C are real.Prove that if f(x) is an integer whenever x is an integer ,then numbers 2A , A+B and C are all integers. Conversely prove that if numbers 2A , A+B and C are all integers then f(x) is an integer whenever x is an integer.

Posted by Tanay Dwivedi 7 years, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

(Tan A+cosec B)^2 -(cot B -sec A)^2=( 2tanAcot B)(cosec A +sec B)

Posted by Khushi Gautam 7 years, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

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