Mathematics

All Questions

Mathematics

Showing 3961 - 3970 out of 4190 Questions

53 Views

In any triangle ABC, show that ABAB+ACAC=2(ADAD+BDBD)where D is the midpoint of BC

Vishakha Khandelwal 3rd Apr, 2019

Hello Arjun,

This question uses multiple properties of triangles.
The line joining one vertex of a triangle and the midpoint of the side opposite to the vertex is perpendicular to that side.
This means that AD is the height of the triangle
Now using Pythagoras theorem,
AD^2 = AB^2 +

Answer

Answer Later

127 Views

one of my friend has pursued BSC in computer science and MSC in Mathematics is she eligible to give gate exam

Prabhavati Dhavala 6th Sep, 2018

Yes. she is eligible if she has cleared it or is apeearing for the final semester in 2019. All the best!

Answer

Answer Later

160 Views

Critically explain the bays theorems of simple and compound probabilities.

Sunil Su. 9th Dec, 2018

Hello aditya,
Bays theorem ,in probability and statistics describes the probability of an event.
Bays theorem shows the relationship between one conditional probability and inverse
Bays theorem provides a mathematical rule for revising an estimate.
*in simple events we simply consider the probability of happening or non happening of a

Answer

Answer Later

88 Views

ELUCIDATE THE CONCEPT OF Z-TEST AND F-TEST IN DETAILS.

ruchika.chauhan Expert 12th Oct, 2018

Hello Aditya,
These are the topics of Quantitative Management. A z-test is used for testing the mean of a population versus a standard. An F-test is used to compare 2 populations’ variances.
Go through the link below to check the detailed explanation-

https://brandalyzer.blog/2010/12/05/difference-between-z-test-f-test-and-t-test/

Good Luck!

p { margin-bottom: 0.25cm; line-height:

Answer

Answer Later

288 Views

I want to know I have to score 75 percent in pcm or in overall academics.if I get 70 marks in physics and 80 marks each in chemistry and

All is well 5th Sep, 2018

Over all.... You have to score 75%or above in your 12th with at least five subjects and PCM MUST /compulsory....

Answer

Answer Later

97 Views

2w+tan(inverse)(w/2)=90(degree). w=?

ruchika.chauhan Expert 11th Jan, 2019

Hello Krishna

You can ask your subject related queries on - https://www.entrance360.com/

Good Luck!

p { margin-bottom: 0.25cm; line-height: 120%; }a:link { }

Answer

Answer Later

501 Views

Is math required as a subject for graphic or ux design ?

Pritha Roy Choudhury 5th Sep, 2018

Dear Aayushi,

As you aspire to become a graphic or ux designer, having knowledge of some basic principles of science and mathematics is necessary. Your knowledge of 10th standard Mathematics which is used in the day-to-day activities is enough for the entrance exams in most of the institutions.

Hope this

Answer

Answer Later

716 Views

Jam mathematics 2012 question paper and answer key

Kadamb Sachdeva 7th Sep, 2018

Hello,

Solving previous year question papers is the best way to prepare for the exam. This will give you an idea about the pattern and difficulty level of the questions.

You can download the previous year papers here: IIT JAM Question Papers .

You should also take online mock tests.

Answer

Answer Later

1074 Views

If( costheta+iotasintheta)(cos2theta+ iotasin2theta)so on ( cosntheta+iotasinntheta)=1,then the value of theta is

Avishek Dutta 30th Nov, 2019

(cosx+isinx)*(cos2x+isin2x)**(cosnx+isinnx)=1
The above is our given equation.
Now we have to find the value of x from that.
Now we know the theorem
(cosx1+isinx1)*(cosx2+isinx2)**(cosxn+isinxn)
=cos(x1+X2++xn)+isin(x1+X2++xn)
Hence

(cosx+isinx)*(cos2x+isin2x)**(cosnx+isinnx)=1
cos(xn(n+1)/2)+isin(xn(n+1)/2)=1
hence cos(xn(n+1)/2)=1
hence xn(n+1)/2=2m*pi m is an integer
Sin(xn(n+1)/2)=0
xn(n+1)/2=l*pi l is an integer
Hence x=4m*pi/n(n+1) m is an integer

Answer

Answer Later

82 Views