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Gaurav Bansal 7 years, 11 months ago

Latus rectum=39/4,and equation of an ellipse =x^2/256+y^2/156=1

ANSWER

Limx -4 √3x+4-4/5x-4-4

Posted by Divye Kumar 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

X^n-a^n÷x-a find darivative

Posted by Kavita Karki 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Tanvi Bansal 7 years, 11 months ago

X^n-a^n÷x-a =n(a)^(n-1)

ANSWER

Prove analytically the altitude of a triangle are concurrent

Posted by Subhalaxmi Nayak 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

2+3=?

Posted by Anamika Mishra 7 years, 11 months ago

CBSE > Class 11 > Mathematics

5 answers

Honey 8 7 years, 11 months ago

11th class question??

Piyush Verma 7 years, 11 months ago

Tannu Bhardwaj 7 years, 11 months ago

Apeksha Dhyani 7 years, 11 months ago

Mohammed Sameer 7 years, 11 months ago

ANSWER

sec x- 1/sec x+1

Posted by Anjali Rawat 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find the coordinates of the foci and Latus rectum of the hyperbola 3x2-y2=3

Posted by Varun Patil 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

lim x→π/4 tan^3x - tanx/ cos(x-π/4)

Posted by Himakshi Begwani 7 years, 11 months ago

CBSE > Class 11 > Mathematics

2 answers

Ishika Mishra 5 years, 6 months ago

Hardik Gupta 5 years, 10 months ago

jah

ANSWER

A bag contain 8 red and 5 green ball two balls are drawn without replacement from the bag find the profitability the both the balls drawn are green

Posted by Vivek Gupta 7 years, 11 months ago

CBSE > Class 11 > Mathematics

2 answers

Tannu Bhardwaj 7 years, 11 months ago

Sample space = 13 C 2 = 78 n (A) = 5 C 2 = 10 P (A) = 10 / 78

Gaurav Bansal 7 years, 11 months ago

10/78

ANSWER

2n! /n! n!

Posted by Anirudh Panwar 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Honey 8 7 years, 11 months ago

2/n!

ANSWER

Solve 2n! /n! n!

Posted by Anirudh Panwar 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Tannu Bhardwaj 7 years, 11 months ago

4 (2n - 1)/ n!

ANSWER

Find the number of dissimilar terms in expansion of (1+x)2012+(1+x2)2011+(1+x3)2010

Posted by Nanesh Sharma 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Tanx-tany=x

Posted by Vijay Kumar 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Evaluate the limits, if exist Lim x tends to zero log(1+x^3)/sin^3 x

Posted by Jai Attri 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Lim x-1 root x square-1+root x-1upon root x square -1

Posted by Vikul Ujjwal 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

What is the derivative of cosec and sec

Posted by Sobhit Jain 7 years, 11 months ago

CBSE > Class 11 > Mathematics

2 answers

Raman Gochar 7 years, 11 months ago

Cosec= -cosecx.tanx

Raman Gochar 7 years, 11 months ago

Sec= secx.tanx

ANSWER

Lim si3x X-0

Posted by Abhishek Yadav 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Sobhit Jain 7 years, 11 months ago

Answer is 0

ANSWER

a(b cos C-c cos B)

Posted by Shreeya Garnayak 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Ranbir Trikha 7 years, 11 months ago

Use cosine formula

ANSWER

Ttt

Posted by Vineet Nara 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

A rod of length 15cm moves with its ends always touching the coordinate axes.find the equation of the locus of a point P on the rod, which is at a distance of 3cm from the end in contact with the x-axis.

Posted by Sk Sk 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Coefficient of (r-1)th terms in the expansion (1+a) to the power n??

Posted by Shuaib Saifi 7 years, 11 months ago

CBSE > Class 11 > Mathematics

2 answers

Aditya Soni 7 years, 11 months ago

n!÷(n-r+2)!(r-2)!

Avantika Kaushal 7 years, 11 months ago

n ! upon (n-r+2)!(r-2)!

ANSWER

The base of triangle is of length b and the altitude is of length h.A rectangle of height x is inscribed in triangle with the base of the rectangle in the base of triangle.find the area of rectangle

Posted by Shivam Sinha 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Second and third type of questions of 4th chapter

Posted by Yash Gupta 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

prove that cos10°cos30°cos50° cos70°=3/16

Posted by Mansi Shah 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

If the points A(-2,-1),B(1,0),C(x,3)and D(1,y)are vertices of a parallelogram, find the values of x and y.

Posted by Ashwani Kumar Ankit 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find mean deviation about the mean for 4,7,8,9,10,12,13,17

Posted by Jasmer Panjetha 7 years, 11 months ago

CBSE > Class 11 > Mathematics

2 answers

Aditya Soni 7 years, 11 months ago

mean is 8 and mean deviation is 3.25

Pruthvi Ganesh Goud 7 years, 11 months ago

Mean is 8 Mean deviation about mean is 3.

ANSWER

Ch-13

Posted by Vardhan Lucky 7 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

what is the formula of sinA/2?

Posted by Ashish Rana 7 years, 11 months ago

CBSE > Class 11 > Mathematics

2 answers

Avantika Kaushal 7 years, 11 months ago

Sorry correct answer is only after root Before root is not right

Avantika Kaushal 7 years, 11 months ago

√1-cosA /2 Root 1 minus cosA whole divided by 2

ANSWER

A number consists of three digit in GP the sum of right hand and left hand digit exceeds twice the middle digit by 1 . And sum of left hand and Middle digit is 2 / 3 of the sum of middle and right hand digit. find the number.

Posted by Gaurav Adhana 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Vikas Gupta 7 years, 11 months ago

5Thank You

ANSWER

The value tan22/7/8

Posted by Lav Sharma 7 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Lav Sharma 7 years, 11 months ago

Underroot2-1