CBSE > Class 12 > Mathematics | CBSE Board | Homework Help

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

4Thank You

Bhanu Kumawat 2 years, 7 months ago

Focus on study

5Thank You

ANSWER

Determine whether f: A ➡A, defined by f :{(1, 3), (3, 2), (2, 1)} , A={1, 2,3} has inverse

Posted by Roshni Thapa 2 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Bhanu Kumawat 2 years, 7 months ago

Yes

1Thank You

ANSWER

integrate dx upon x(x^n+1)

Posted by Dance With Jiya 2 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Amrendra Singh 2 years, 7 months ago

take x^n common from denominator and then take the denominator as = t differentiate put in integral solve

0Thank You

ANSWER

Three car dealers say A,B,C dealing with three types of cars Hatchback cars , Sedan car , SUV cars . The sales figure of 2019 and 2020 showed that dealer A sold 120 hatchback cars ,50 Sedan cars ,10 SUV cars in 2019 and 300 hatchback cars, 150 Sedan , 20 SUV in 2020 and dealer B sold 100 hatchback ,30 Sedan ,5SUV cars in 2019 and 200 hatchback,50 Sedan,6 SUV cars in 2020 and dealer C sold 90 hatchback, 40 Sedan, 2 SUV in 2019 and 100 hatchback ,60 Sedan, 5 SUV in 2020. 1) Write matrix summarising sales data of 2019 and 2020? 2)Find the matrix summarising sales data of 2020? 3) Find the total no of cars sold in two given years , by each dealer ??

Posted by Rashi Nain 2 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Period of the function f(x)=[sin2x]+[cos2x]is

Posted by Priya Kumari 2 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Mohd Adil 2 years, 7 months ago

2Thank You

ANSWER

a function to be continuous at given point x not

Posted by Sunny Singh 2 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Sinx =

Posted by Raz Sahu 2 years, 7 months ago

CBSE > Class 12 > Mathematics

3 answers

Nashra Khan 2 years, 7 months ago

- cos x

0Thank You

Mansi Sharma 2 years, 7 months ago

Perpendicular/hypotenuse Or ( 1- cos ^2 theta)

0Thank You

Aditya Tripathi 2 years, 7 months ago

bro SinX= (Perpendicular/Hypotenuse) = ROOT(1 - COS^2 theta)

1Thank You

ANSWER

How to solve linear equation in determinants through cremers rule

Posted by Ayush Kumar 2 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

Raz Sahu 2 years, 7 months ago

Gand marake

0Thank You

ANSWER

Question No. 1 to 5 are based on the given text. Read the text carefully and answer the questions: A real estate company is going to build a new residential complex. The land they have purchased can hold at most 4500 apartments. Also, if they make x apartments, then the monthly maintenance cost for the whole complex would be as follows: Fixed cost $50,00,000. Variable cost (160x-0.042) 1. The maintenance cost as a function of x will be a. 5000000 b. 5000000+ 160x-0.042 c. 160x-0,04%2 d. None of these 2. If C(x) denote the cost function, then the maximum value of C(x) occur at x= a. 2000 b. 4500 c. 5000 d.0 3. The maximum value of C(x) would be a. 4000000 b. 5160000 c. 5000000 d. To practice more questions & prepare well for exams, download myCBSEguide App. It provides complete study material for CBSE, NCERT, JEE (main), NEET-UG and NDA exams. Teachers can use Examin8 App to create similar papers with their own name and logo. 4. The number of apartments, that the complex should have in order to minimize the maintenance cost, is a. 5000 b. 4500 c. 1750 d. 3500 5. If the minimum maintenance cost is attained, then the maintenance cost for each apartment would be a. 1000 b. 2000 6. Let f(x)=()x-3x + sin 3x, then the true set of values of a which f(x) is strictly decreasing on R, is c. 1091.11 d. 1200 a. [2,00) b. (5,00) c. (-00,-2)

Posted by Arjanpal Singh 2 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

Ayush Kumar 2 years, 8 months ago

Linear programming

0Thank You

ANSWER

Find the particular solution of the differential equation ( 3xy+y²)dx + (x²+xy)dy =0

Posted by Shivam Singh 2 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Sahodhaya pre board questions 2022- 2023

Posted by Mangayarkarasi R. N. 2 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

To demonstrate a function which is not one one but is onto

Posted by Piyush Yadav 2 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integration of secx.cosecx÷logcotx

Posted by Sakshi Parmar☺☺☺ Parmar 2 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

Suryaa Narayana 2 years, 7 months ago

Put log cotx =t and then solve

5Thank You

ANSWER

Can a student start studying optional PSIR before 2 years of giving the upsc exam??

Posted by Shubhanshu Tiwari 2 years, 8 months ago

CBSE > Class 12 > Mathematics

3 answers

M Pavan Teja 2 years, 8 months ago

Nno it take minimum 4yrs to clear it

0Thank You

Aman Kumar 2 years, 8 months ago

Yess

0Thank You

Indraneel Dutta 2 years, 8 months ago

Yes off course 😊

0Thank You

ANSWER

Graph of sin inverse

Posted by Aditya Yadav 2 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

Ayush Kumar 2 years, 8 months ago

Sinsidal

0Thank You

ANSWER

Pratical file

Posted by Yash Kumar 2 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Show that R is a equivalence relation R={(a,b):2 divides a-b}

Posted by Kaif Malik 2 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Shantanu decided to collect money for buying motorcycle whose cost is ₹ 200,000. The initial amount in his Bank account is ₹ 50,000. On the basis of past drives, it is determined that after t months the beginning of the drive, the rate dx/dt at which money is arranged for his motorcycle is proportional to the difference between the desired goal of ₹ 200,000 and the total amount x in the Bank account at that time. After one month, a total of ₹ 100,000 is in the Bank account. Now answer the following questions using differential equation method:

Posted by Ansh . 2 years, 8 months ago

CBSE > Class 12 > Mathematics

2 answers

Dipali Pal 2 years, 8 months ago

Answer

20Thank You

Dipali Pal 2 years, 8 months ago

Ans

5Thank You

ANSWER

Cheenai sahodaya schol complex pre board examination on 2023

Posted by Sasireka G 2 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

Apurba Das 2 years, 8 months ago

Tomorrow

0Thank You

ANSWER

Integration of x^2

Posted by Naveen Naveen 2 years, 8 months ago

CBSE > Class 12 > Mathematics

5 answers

Ramanpreet Kaur 2 years, 8 months ago

X^3/3

2Thank You

Anjali Saini 2 years, 7 months ago

X^3/3

4Thank You

Alok Mittal 2 years, 8 months ago

X^3/3

2Thank You

Gulshan Goutam 2 years, 8 months ago

x^3/3

2Thank You

Naveen Naveen 2 years, 8 months ago

X^3/3

1Thank You

ANSWER

Maths lab answer

Posted by Aman Sharma 2 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

Alok Mittal 2 years, 8 months ago

Which activity

0Thank You

ANSWER

Slope of tangent at p is

Posted by Prince Kumar 2 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Explain with graphical presentation of a differentiable function which has two local maxima points, two local minima points and one point of inflexion?

Posted by Anwita Maini 2 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

a family has two children's what is the probability that both the childrens are boys given that at least one of them is a boy

Posted by Bhati Bhati 2 years, 8 months ago

CBSE > Class 12 > Mathematics

2 answers

Alok Mittal 2 years, 8 months ago

S.S={gg,bb,bg,gb} [E]=( bb , bg , gb ) [F]=(bb) [E intersection F] = ( bb) P(E) = 3/4 P(F) = 1/4 P (E intersection F) = 1/4 P( E/F)= P(E intersection F)/P(F) P(E/F)= (1/4)/(1/4) = 1

2Thank You

Alok Mittal 2 years, 8 months ago

2Thank You

ANSWER

Find a vector of magnitude 5 unit and parallel to resultant of the vector a is 2i+ 3i -k and b is i -2j+ k

Posted by Baria Shubham 2 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

consider the number of 4where is n natural no.check whether there is any value of n for which 4 end with the digit zero

Posted by Shalvi Dhawan 2 years, 8 months ago

CBSE > Class 12 > Mathematics

1 answers

Preeti Dabral 2 years, 8 months ago

For the number 4ⁿ to end with digit zero for any natural number n, it should be divisible by 5. This means that the prime factorisation of 4ⁿ should contain the prime number 5.But it is not possible because 4ⁿ =(2) 2ⁿ so 2 is the only prime in the factorisation of 4ⁿ . Since 5 is not present in the prime factorization, so there is no natural number n for which 4ⁿ ends with the digit zero.

0Thank You

ANSWER

Page 8 of 481

myCBSEguide

myCBSEguide

Test Generator

CUET Mock Tests

Download myCBSEguide App

All Courses

Other Websites

CBSE Courses

Resources

Corporate

NCERT Solutions

CBSE Sample Papers