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Chapter 3 example 20

Posted by Aditya Singh Parihar 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

in an ap if pth term is 1/q and qth term is 1/p. prove that sum of pq terms is 1/2(pq+1).

Posted by Navroop Bhinder 8 years, 1 month ago

CBSE > Class 11 > Mathematics

3 answers

Abc A 8 years, 1 month ago

Failier

Abc A 8 years, 1 month ago

Repeat kr raha hoga 10th class

Prateek Chawla 8 years, 1 month ago

Ye 10 ka question hai

ANSWER

1101219

Posted by Vinay Yadav 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

There was 10 points lies on a circle. By joining points how many lines and how many triangles can be drawn through these 10 points

Posted by Ahlesh Yadav 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

De morgans law

Posted by Winco Kongkham 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find the equation of the parabola whose focus is ( 5,2 ) and the vertex at ( 3,2 )?

Posted by Gurjot Singh 8 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

Sonali Kumari 8 years, 1 month ago

OK then who come first a hen or a egg. And please give me answer.

ANSWER

2^(k+1)>2k=k+k>k+1 How this possible?

Posted by Anant Chourey 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Prove that cos 6x=32cos power6x-48cos power4x+18 cos squarex-1

Posted by Biswajit Boro 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

2x-2

Posted by Sahil Saini 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Differentiate x²cosx from first principle

Posted by Sneha Gupta 8 years, 1 month ago

CBSE > Class 11 > Mathematics

2 answers

Somveer Singh 8 years, 1 month ago

X(2cosx-x sinx)

Somveer Singh 8 years, 1 month ago

I have image

ANSWER

2+34

Posted by Manish Singh 8 years, 1 month ago

CBSE > Class 11 > Mathematics

2 answers

Abc A 8 years, 1 month ago

R u in 11th class??

Akshat Sharma 8 years, 1 month ago

36

ANSWER

Marking scheme chapterwise

Posted by Nikhil Khanna 8 years, 1 month ago

CBSE > Class 11 > Mathematics

2 answers

Utkarsha Nayak 8 years, 1 month ago

No particular pattern. All chapters are important.

Mansi Sharma 8 years, 1 month ago

Marking scheme is according to your school teacher?

ANSWER

If I am pass in all subject except maths if I am pass in sa1 in math but fail in final exam what should be the result

Posted by Akash Gumber 8 years, 1 month ago

CBSE > Class 11 > Mathematics

5 answers

Abc A 8 years, 1 month ago

Best of luck for fail i wish u to be fail

Kashish Gupta 8 years, 1 month ago

You has to give repair exam of maths

Prashant Kumar 8 years, 1 month ago

Try your best

Prashant Kumar 8 years, 1 month ago

You would fail

Akshat Sharma 8 years, 1 month ago

Only final exam result is consulted

ANSWER

The probability of A hitting a target is 4/5 ; the probability of B hitting the target is 3/4 ; and the probability of C missing the target is1/3 .what is the probability of the target being hit atleast twice.

Posted by Heera John 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Factors of 2

Posted by S N 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

If sin(a+b)=1 and sin(a-b)=1/2 find tan(a+2b)

Posted by Xyz Shah 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Cungb

Posted by Bhavya Chugh 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

If f(x+3)=x^2-1 then find f(x)

Posted by Himanshi Singh 8 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

Himanshi Singh 8 years, 1 month ago

Please help

ANSWER

Two student mohit and mamanta aapered in the examination. The probability that mohit will qualify the examination is. 05 and the mamata will qualify the examination is .10. The probability that will qualy the examination is.02.find the probability that. 1 Both mohit and mamata will not qualify the examination. 2 At least one of them will not qualify the examination.

Posted by Prakash Jha 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

What is the diffetence between relation and functions

Posted by Mahi Yadav 8 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

Sonali Kumari 8 years, 1 month ago

Relation are those which shows the relationship between 2or more than two things. Function are those which shows that how they are in relationl and what function they are prfoming .

ANSWER

Honour vacations Radha visits for cities ABCD in a random order what is the probability that she visits A Before be a before b and b 4 c a first and the last year the first or second I just before c

Posted by Rohil Kohli 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Let x and y be two set x =(x:x is natural no. And 1<x <6) 16, y =(x:x is natural no. And 6 <x <10 find the value of

Posted by Aman Parmar 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find all pairs of consecutive even positive integers, both of which are larger than 5 such that their sum is less than 23.

Posted by Alice Khan 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

!34÷!34-r+6=!34÷!34-2r+2

Posted by Astha Sharma 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

!34÷!34-r+6=!34÷!34-2r+6

Posted by Astha Sharma 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find the length of the intersection of a ellipse x ^2 +4y^2 =9

Posted by Prachi Patel 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

lim x~0 , 1 - cos x / x^2

Posted by Rohit Singh 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Derivative of xtanx by first principle

Posted by Paras Rawal 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Father of statistics

Posted by Rohit Singh 8 years, 1 month ago

CBSE > Class 11 > Mathematics

2 answers

Rohit Singh 8 years, 1 month ago

U are wrong Sonali ... Gold fries achendwall is the father of statistics

Sonali Kumari 8 years, 1 month ago

Karl's pearson

ANSWER

Father of economy

Posted by Rohit Singh 8 years, 1 month ago

CBSE > Class 11 > Mathematics

4 answers

Rohit Singh 8 years, 1 month ago

Adam smith is right answer

Utkarsha Nayak 8 years, 1 month ago

Adam Smith 100% sure

Prachi Patel 8 years, 1 month ago

Not sure Adam Smith and PV Narasimha Rao is the father of Indian economic

Sonali Kumari 8 years, 1 month ago

Not sure but may be arya bhatta

ANSWER

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