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At 8.00am ship A is 65km due east of another ship B . Ship A is then sailing due west at 10km/hr and ship B is sailing due south at 15km/hr.If they continue sailing on their respective paths, when will they be nearest to one another, and how near?

Posted by Vijayalakshmi A 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

show that the determinant value of a skew symmetric matrix of odd order is always zero

Posted by Md Arman 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

What is the best way to revise all the chapter of mathematics

Posted by Khushboo Singh 7 years, 10 months ago

CBSE > Class 12 > Mathematics

2 answers

Khushboo Singh 7 years, 10 months ago

Thanks Mr singh.and please book bhi btaa do. Mujhe tension ho rhi hai please

Singh Singh 7 years, 10 months ago

Firstly go with calclus

ANSWER

Imtegration

Posted by Aniket Guleria 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Step -1 I= INT OF [{(COS^2(x))/(SINX + COSX)}] dx limit 0 to pie/2 Step-2 Thus we get. 2I= (1/root 2)INT {dx/[cos(x-pie/4)]} limit 0 to pie/2 How did we get step-2 ? Question from Mathmatics Exemplar problem Example no.17

Posted by Akash Gupta 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

How i prepare chapter inverse trigonometry

Posted by Nikhil Mishra 7 years, 10 months ago

CBSE > Class 12 > Mathematics

3 answers

Tia Chaubey 7 years, 10 months ago

Its too easy just practice it and when u will practice the formulas will automatically be learned?

Akash Singh 7 years, 10 months ago

I'm confused too.. ?

Shorvari Suxena 7 years, 10 months ago

Its easy only Formulae based so lrn formulas and apply

ANSWER

How does f-1 calculate in relations and functions

Posted by Shorvari Suxena 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Sketch the graph of y=(x+1)^ in [0,4] and determine the area of the region enclosed by the curve ,the x-axis and the lines x=0,x=4

Posted by Prince Brar 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

cot-1(tan/7)=?

Posted by Ashutosh Kumar 7 years, 10 months ago

CBSE > Class 12 > Mathematics

1 answers

Sachin Gulati 7 years, 10 months ago

7

ANSWER

Integrate e to the power x square

Posted by Bhagyashree Dutta 7 years, 10 months ago

CBSE > Class 12 > Mathematics

2 answers

Vikram Choudhary 7 years, 10 months ago

X square = r

Kajal Bhardwaj 7 years, 10 months ago

e to the power x square upon 2x

ANSWER

Form the differential equation of the family of circles having centre on y-axis and radius 3 units.

Posted by Zaid Khan 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integrate:- 1-sinx/sinx(1+sinx)

Posted by Shubham Sisodiya 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Tan(x-2)/(x-1)+tan(x+2)/(x+1) =22/7*1/4

Posted by Sunny Singh 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

By using elementary row find inverse of the matrix A=(1 2 2 -1)

Posted by Suraj Kumar 7 years, 10 months ago

CBSE > Class 12 > Mathematics

1 answers

Hardik Gupta 7 years, 10 months ago

Will not come in exam

ANSWER

Equation of the plane containing two two line

Posted by Mukesh Mukul 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Equation of the plane

Posted by Mukesh Mukul 7 years, 10 months ago

CBSE > Class 12 > Mathematics

1 answers

Nishi Boudha 7 years, 10 months ago

A(X-X1)+B(Y-Y1)+C(Z-Z1)=0

ANSWER

Find the vector equation of a plane passing through the point (1,4,6) and normal to the vector i-2j+k.

Posted by Bhagya Lakshmi 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find the area of region of parabola y2=4ax and circle x2+y2=2ax

Posted by Shashank Pandey 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Y=0 x =1

Posted by Jasmine Suriyavanshi 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find the particular solution of the differentail equation (1-y2)(1+log x ) dx +2xy dy = 0

Posted by Jasmine Suriyavanshi 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Evaluate as limit of sum: (2x² + 3x + 5)dx from 1 to 3

Posted by Amit Kharb 7 years, 10 months ago

CBSE > Class 12 > Mathematics

1 answers

Tia Chaubey 7 years, 10 months ago

First integrate (2x^2+3x+5) and then upper limit - lower limit which means that after integration u have to put 3 in the eqn and the -1 in the same eq in place of x

ANSWER

B - 5i-4j*5k

Posted by Anuj Singh 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integration √cosα/1+cosα

Posted by Keyur Patel 7 years, 10 months ago

CBSE > Class 12 > Mathematics

2 answers

Sabeen Mustafa 7 years, 10 months ago

Substitute cos in terms of half angle formula of tan Then u will get sec and integrate

Vineet Gupta 7 years, 10 months ago

I think , add 1 and subtract 1 from numerator, then break it in two part, the first on will give 1 and the other one will give 1/ 1 + cosa aplly 1+cosa=2cos^2a/2 -1 rule and procede

ANSWER

How to prepare math for board exam

Posted by Abhishek Pandey 7 years, 10 months ago

CBSE > Class 12 > Mathematics

1 answers

Jaya Maheshwari 7 years, 10 months ago

Practice make maths easy... so u only do the practice..then maths is so easy..

ANSWER

dy/dx=y tanx

Posted by Viki Vip 7 years, 10 months ago

CBSE > Class 12 > Mathematics

1 answers

Yogesh Kumar 7 years, 10 months ago

Firstly we do cross multiply tanx dx = y dy And then integrate both sides.

ANSWER

Integration cos(to the power 7)x limit 0 to 2pie

Posted by Shivam Keshri 7 years, 10 months ago

CBSE > Class 12 > Mathematics

1 answers

Shruti Jain 7 years, 10 months ago

0

ANSWER

integrate (1+sin2x /1+cos2x).e^x

Posted by Pushkar Upadhyay 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Show that the points A,B,C, with position vector a,b,c are collinear if a×b+ b×c + c× a = 0

Posted by Ashish Gupta 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Global positioning system

Posted by Vaibhav Tiwari 7 years, 10 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

2a+5c=3 find the value of a

Posted by Tushar Kulshrestha 7 years, 10 months ago

CBSE > Class 12 > Mathematics

1 answers

Vibhushi Gupta 7 years, 10 months ago

(3-5c)/2=a

ANSWER

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