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

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

How to solve three equations with three unknown

Posted by Bhakthi Patel 6 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Bhakthi Patel 6 years, 9 months ago

Are we allowed to use determinant matrix fr vector equations

Sumit Lathuriya 6 years, 9 months ago

use determinant matrix

ANSWER

which are the most important chapters

Posted by Shaurya Tomar 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Sumit Lathuriya 6 years, 9 months ago

ch 4 6 7 11 13 12

ANSWER

Solve the following under the following restrictions 5x+y<100 X+y<60 x>0 ,y>0 And maximize Z=250x+75y

Posted by Sudhanshu Maurya 6 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Sonal Sonal 6 years, 9 months ago

Z will be maximum if x=10 and y=50

Rithwij P 6 years, 9 months ago

Points | Max(Z) ------------|------------- (0,60) | 6250 (0,100) | 7500 (10,50) | 6250 Max(Z)=7500 Therefore x=0,y=100

ANSWER

Find the values of 'a' for which f(x)= ax^2 - 9x + 3 is increasing on R .

Posted by Av Anand 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Shruti Sharma 6 years, 9 months ago

23

ANSWER

Find the differential equation for all straight lines, which are at a unit distance from tye oringin .

Posted by Av Anand 6 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Sir / mam I am not yet studied the maths . So what can I do for passing in maths . And maths is my additional subject . So plz guide me . Thank you

Posted by Sahil Gupta 6 years, 9 months ago

CBSE > Class 12 > Mathematics

4 answers

H I T E S H 6 years, 9 months ago

And strictly follow ncert

H I T E S H 6 years, 9 months ago

Do easier chapter like matrix, relation and function, determents etc just to get passing marks

Kalas Sahu 6 years, 9 months ago

Please follow 10 years

Shruti Sharma 6 years, 9 months ago

Read all previous years question papers may help you a lot

ANSWER

After 4 days my exams will start ..and I am very nervous and things are also not going to my expectations..till January i had studied but for last few weeks I thinks that I am only passing my time..I Am very much tensed ...friends please help me to overcome this problem..plzzz

Posted by Amandeep Kumar 6 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Priya Dharshini ? 6 years, 9 months ago

Pls relax now... be confident with wat u have done. Ur confidence will bring u half success dont loose it. Time is there do revisions. Dont try ti take new chapter it will confuse u and use up remaining time also. Do the best

Christin Mathew 6 years, 9 months ago

Just relax and study from now. Do take meditation and exercise. Have a diet. Review your work and don't worry about anything. Hope you like it ☺️☺️

ANSWER

Root e root x

Posted by Nikhil Singh 6 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Sba Siddiqui 6 years, 9 months ago

1 upon 4under root e

Vířù Sïñgh 6 years, 9 months ago

Ex

ANSWER

If two planes are parallel then their normal are parallel or perpendicular & why

Posted by Sanskar Gaur 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Vasundhra Bhardwaj 6 years, 9 months ago

Their normal will be parallel coz their perpendicular will be intersecting.

ANSWER

Find the equation of planes which is parallel to th plane x-2y+2z-3=0 nad unit distance (1,2,3)

Posted by Kavita Dobhal 6 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

For what value of lemda are the vectors a=2i+ lemda j +k and B= i-2j+3k perpendicular to each other

Posted by Megha Verma 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Deepak Dan 6 years, 9 months ago

5/2

ANSWER

find the order of the differential equation of all tangent lines to the parabola y=x^2

Posted by Sumit Lathuriya 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Harmandeep Singh 6 years, 9 months ago

dy/dx = 2x where order is coming out to be 1

ANSWER

Paytha gourash praymi

Posted by Krishan Gopal 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Krishan Gopal 6 years, 9 months ago

A paythagorauspraymy

ANSWER

Differentiate sin^2x^2 w r t x^2

Posted by Kusum Singh 6 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Fifjkk

Posted by Adarsh Tiwari 6 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Sushant Kushwaha 6 years, 9 months ago

Hum

Neha ?? 6 years, 9 months ago

What???

ANSWER

Two number are selected at randomly from first six integer

Posted by Ramesh Singh 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Harmandeep Singh 6 years, 9 months ago

Further ques to evaluate what???

ANSWER

Show that vectors a,b nd c are coplanar ... if a+b , b+c and c+a are coplanar?????

Posted by Ridhi Mehta 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Ayush Bafna 6 years, 9 months ago

if a+b,b+c,c+a are coplanar . (a+b , b+ c , c+a) = 0 a+b × (b+c , c +a)=0 a× (b+ c ) +a×(c+a) +b×(b+a) + b ×(c+a) = 0 (a b c) + 0 + 0 + ( a b c ) = 0 2 ( a b c ) =0 ( a b c ) =0 Hence a , b , c are coplanar. Thank you

ANSWER

Area bounded region

Posted by Atharv Suhane 6 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Harish Mozzamil 6 years, 9 months ago

Whatt

Neha ?? 6 years, 9 months ago

What????

ANSWER

(a2 - 9)4a

Posted by Dhanush Raj 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Dhanush Raj 6 years, 9 months ago

a-18

ANSWER

According to you!! ... how much can we score if we study only ncert of maths????

Posted by Ridhi Mehta 6 years, 9 months ago

CBSE > Class 12 > Mathematics

3 answers

Ritesh Mishra 6 years, 9 months ago

If only NCERT twice and thrice the no one cut your 80 marks. With gurrantee

Aruneeraj K 6 years, 9 months ago

If solved with examples and all concept in N. C. E. R. T are cleary understood than above 90 marks

Yash Tiwari 6 years, 9 months ago

Approx 50 to 65 only

ANSWER

Guys koi relation function pr probablity kra skta kya plzz help*!!! Ya important questions e btado i've never done these two chapters the whole year

Posted by Ridhi Mehta 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Harish Mozzamil 6 years, 9 months ago

Vry imp

ANSWER

(x-x⁴)¼÷x³ integrate this

Posted by Vivek Kumar 6 years, 9 months ago

CBSE > Class 12 > Mathematics

5 answers

Rukaiya Shabbir 6 years, 9 months ago

Finall answer is 4t^5/4 ÷15

Rukaiya Shabbir 6 years, 9 months ago

Take (1/x^3 -1) as 't' and diffrentaite it then substitute it bavk

Rukaiya Shabbir 6 years, 9 months ago

Your queation is wrong it is actually divided by x^5

Rukaiya Shabbir 6 years, 9 months ago

(x^4)^1/4 [1/x^3-1]^1/4 ÷x^3

Rukaiya Shabbir 6 years, 9 months ago

Take x^4 common out

ANSWER

1÷3√x-5√y rationalise this

Posted by Vivek Kumar 6 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integration of [ dt/ { ( 4+t(square))(1+4 t(sqaure)} ] ... gys plz help ... i hope you gys can understand mne kya statement likhi!!

Posted by Ridhi Mehta 6 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Area of a right circular cone

Posted by Dhikshitha Radhakrishnan 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Hardeep Singh 6 years, 9 months ago

A=Πr(r+√hsq.+rsq.)

ANSWER

Can anyone plz tell the formula for distance between two planes??

Posted by Ridhi Mehta 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Aadrish Dey 6 years, 9 months ago

Sqr root √(x2 -x1) +(y2-y1)

ANSWER

Solve this: Q). Three numbers are selected at random (without replacement) from first six positive integers. If X denotes the largest of the three numbers obtained, find the probability distribution of X. Also find the mean and variance of the distribution.

Posted by Tikendra Singhal 6 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Let y=x^xcosx

Posted by Yug Thaman 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Nitish Sharma 6 years, 9 months ago

Ok then???

ANSWER

Friends maths ki practice kaise kar rahe ho??

Posted by Ishmeet Kaur 6 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Prateek Seth 6 years, 9 months ago

No maths.. 1st exam is english.. Start preparing for the same...

Savita Sahu 6 years, 9 months ago

Ab sab bas band h... Sirf English

ANSWER

Check the differentiability |x-1|+|x-2|

Posted by Acsah Alexander 6 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Acsah Alexander 6 years, 9 months ago

They haven't said any point in question The question is CHECK THE DIFFERENTIABILITY OF f(x) = |x-1|+|x-2|

Jyotirmoy Barman 6 years, 9 months ago

at which point??

ANSWER

Page 189 of 481

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Google Play

Download myCBSEguide App