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PROVE THAT :cosA/a+cosB/b+cosC/c = a²+b²+c²/2abc

Posted by Saksham Sharma 8 years, 1 month ago

CBSE > Class 11 > Mathematics

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Measures of dispersion

Posted by Kunal Soni 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

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First derivative of xsinx

Posted by Sumit Pandey 8 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

Konain Raza Ansari 8 years, 1 month ago

Xcosx+sinx

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Derivative of xsinx by first principle

Posted by Dhananjay Maurya 8 years, 1 month ago

CBSE > Class 11 > Mathematics

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Formula for line segmemt in conic section

Posted by Sameer Khan 8 years, 1 month ago

CBSE > Class 11 > Mathematics

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4x×4x_3x+2

Posted by Jyoti Soni 8 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

Akshat Sharma 8 years, 1 month ago

Lele mera

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By using binomial expansion, expand (1+x+x²)³

Posted by Aniket Kumar 8 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

J K 8 years, 1 month ago

Use (1+x) as a and x² as b Using formula of (a+b)³ (1+x)³+x³+3(1+x)(x²)(1+x+x²) 1+x³+3×(1+x)+x³+3(x²+x³)(1+x+x²) Now u can solve it

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find domain and range of (x^2 - x)/( x + 2 )

Posted by Ritik Dagar 8 years, 1 month ago

CBSE > Class 11 > Mathematics

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Find domain ,f(x)=1/rootx^2_x_6

Posted by Gurleen Kaur 8 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

Yogita Kandwal 8 years, 1 month ago

As, it is in p/q form where q is NoT equal to 0 We take x^2-x-6 for domain X^2-3x+2x-6=(x-3) and (x+2) So, x=3 or -2 Domain: all the real no. Except -2 and 3.

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Make a 4 letter code by 10 letters of english alphabets

Posted by Mansi Sharma 8 years, 1 month ago

CBSE > Class 11 > Mathematics

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a^2_b^2

Posted by Akash Sharma 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

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Triganometry

Posted by Ajay Yadav 8 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

Sudhanshu Yadav 8 years, 1 month ago

Trigonometry is made from two consecutive words : Trigon-angle Metry-measure So,measure of angle..

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If pth qth rth &sth term of ap AP are in GP then show that (p-q) (q-r) (r-s) are also in GP

Posted by Shivam Sharma 8 years, 1 month ago

CBSE > Class 11 > Mathematics

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I am having commerce with maths and i want to drop maths in 12th. Is it possible?

Posted by Madhumita Sarbabhom 8 years, 1 month ago

CBSE > Class 11 > Mathematics

2 answers

Anshika Mishra 8 years, 1 month ago

Yes u r ryt bhavya it is very helpful in future also which line u want to choose in future

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Bhavya Chhabra 8 years, 1 month ago

Yes it is possible ... But I suggest you to not drop it because it will be helpful in future

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A committee of two persons is selected from two men and two women. What is the probability that the committee will have (a) no men ? (b) one man? (c) 2 man?

Posted by Divya Bhawnani 8 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

Rajay Raj 8 years, 1 month ago

I think...(a)2C2÷4C2 (b)(2C1×2C1)÷4C2 (c)2C2÷4C2

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Tan10°+tan15°=4

Posted by Yash Gupta 8 years, 1 month ago

CBSE > Class 11 > Mathematics

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find the coordinates of the point that is equidistant from point (1, 2) and( 3,4) and the shortest distance from line joining the point to required point is root 2

Posted by Sahil Sharma 8 years, 1 month ago

CBSE > Class 11 > Mathematics

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Cosec[-1410degree] value find but its value change

Posted by Gagan Thind 8 years, 1 month ago

CBSE > Class 11 > Mathematics

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-15-8i

Posted by Aastha Moolchandani 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

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how marks obtained in both terms for passing in math?

Posted by Priyanshu Bhardwaj 8 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

Akshat Sharma 8 years, 1 month ago

Only final exam result is consulted

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A college warded 38 medals in football , 15in basketball and 20in cricket. If these medals went to a total of 58 men and only three men got medals in all the three sports , how many received medals in exactly two of the three sports

Posted by Rahul Singla 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Out of 100 students, 15 passed in English,12 passed in mathematics, 8in science, 6in English and mathematics, 7in mathematics and science, 4 in English and science, 4in all three . find ho many passed : 1) in English and mathematics but not in science? 2) in more than one subject only?

Posted by Jai Verma 8 years, 1 month ago

CBSE > Class 11 > Mathematics

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find the no of solution of y is equal to 3x+8?

Posted by Abhishek Kumar 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

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Drive surface area of frustum of cone

Posted by Devesh Tomar 8 years, 1 month ago

CBSE > Class 11 > Mathematics

2 answers

Abc A 8 years, 1 month ago

It will not come exam be happy

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Abc A 8 years, 1 month ago

No need in 11th class

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Value of 4

Posted by Akash Singg 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

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What is gyanmudra

Posted by Preeti Prajapati 8 years, 1 month ago

CBSE > Class 11 > Mathematics

0 answers

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What's the weightage for all chapters of class 11

Posted by Srushti Jadhav 8 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

Abc A 8 years, 1 month ago

Ask to your teacher

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Equation of perpendicular line x intercept

Posted by Manvender Bhatt 8 years, 1 month ago

CBSE > Class 11 > Mathematics

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Arithmetic mean

Posted by Anbu Duke 8 years, 1 month ago

CBSE > Class 11 > Mathematics

2 answers

Mansi Sharma 8 years, 1 month ago

a+b÷2

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Harshith Ks 8 years, 1 month ago

Its is the total obeservations/(nö of Observation) Eg:-( 1+2+3+4+5)/5

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Find the equation of hyperbola with coordinate axes as principal axes and the distances of one of its vertices from the focus are 3 &1

Posted by Saurav Kumar 8 years, 1 month ago

CBSE > Class 11 > Mathematics

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