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

If f′(x) > 0 at each point in an interval I, then the function is said to be increasing on I. f′(x) < 0 at each point in an interval I, then the function is said to be decreasing on I. ... If f′(x) > 0, then f is increasing on the interval, and if f′(x) < 0, then f is decreasing on the interval.

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Can anyone suggest how to study for long period of time without losing concentration ???

Posted by Ashish Mishra 4 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

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Can anyone suggest me some websites to do mock tests

Posted by Rounak Rocks 4 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Iqbal Singh 4 years, 2 months ago

Ashish Sir , vedantu , tiwariacademy , achieve it

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Find the value of tan^-1(tan(15pi/4)

Posted by Maanickkam Muthukumaran 4 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Riya Sen 4 years, 2 months ago

-π/4

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What is skew symmtric

Posted by Dev Sharma 4 years, 2 months ago

CBSE > Class 12 > Mathematics

4 answers

Siya Soni 4 years, 2 months ago

A'=-A

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Riya Sen 4 years, 2 months ago

A skew symmetric matrix is one which satisfy this equation i.e. A' = -A

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Rounak Rocks 4 years, 2 months ago

-1 0 0 1

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महाराज यश 4 years, 2 months ago

Matrix A is said to be skew-symmetric if transpose of matrix A is equal to matrix A. Note that all the skew symmetric matric are zero

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Sin-¹ x +cos-¹ x= ?

Posted by Arif Khan 4 years, 2 months ago

CBSE > Class 12 > Mathematics

2 answers

Riya Sen 4 years, 2 months ago

π/2

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Arpita Sharma 4 years, 2 months ago

-1

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Exercise 3.1

Posted by Gokuldas P 4 years, 2 months ago

CBSE > Class 12 > Mathematics

2 answers

Rounak Rocks 4 years, 2 months ago

31/10

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Iqbal Singh 4 years, 2 months ago

kya dear 3.1 kaa

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What is e^x-2

Posted by Sunny Raiya 4 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Iqbal Singh 4 years, 2 months ago

solve it by formula e^x wala and it's answer is e^x-2(1-0)

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Is mean value theorem of differentiation chapter in the syllabus or not??????

Posted by Akanksha Kumari 4 years, 2 months ago

CBSE > Class 12 > Mathematics

5 answers

Iqbal Singh 4 years, 2 months ago

Akansha I am not bro

3Thank You

Tanisha Yadav 4 years, 2 months ago

No ,this was not in syllabus

1Thank You

Arif Khan 4 years, 2 months ago

Not

3Thank You

Akanksha Kumari 4 years, 2 months ago

Thanks bro?

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Iqbal Singh 4 years, 2 months ago

it is cut from syllabus yaar why you do this ?

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What is value of h/h when it's value is dangerously close to zero

Posted by Thakur Sanchari 4 years, 2 months ago

CBSE > Class 12 > Mathematics

3 answers

Ayush Vishwakarma?? 4 years, 2 months ago

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Iqbal Singh 4 years, 2 months ago

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Nishant Shishodia 4 years, 2 months ago

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Differentiate tan((x* plus 45*^)

Posted by @Dinesh_ 5N04 4 years, 2 months ago

CBSE > Class 12 > Mathematics

2 answers

Tanisha Yadav 4 years, 2 months ago

π/180sec^2(x+45)

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Sakshi Yadav 4 years, 2 months ago

Secx

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integration of 1/(cosx-a)(cosx-b)

Posted by Iqbal Singh 4 years, 2 months ago

CBSE > Class 12 > Mathematics

3 answers

Tanisha Yadav 4 years, 2 months ago

Okk but this question is right

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Tanisha Yadav 4 years, 2 months ago

This question is right . It is 22 question of Exercise 7.3. See the soln of this question in this app.

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Iqbal Singh 4 years, 2 months ago

no it's right bro

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integration of 1/cos(x+a)cos(x+b)

Posted by Iqbal Singh 4 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Iqbal Singh 4 years, 2 months ago

okkkkk

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When 0.16 is written as a fraction in its simplest form, the sum of the numerator and the denominator is How solve it with solution

Posted by Raja Yadav 4 years, 2 months ago

CBSE > Class 12 > Mathematics

5 answers

Iqbal Singh 4 years, 2 months ago

both are correct dude

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Riya Sen 4 years, 2 months ago

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Raja Yadav 4 years, 2 months ago

Tanisha is right answer or yogita is right answer

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Yogita Ingle 4 years, 2 months ago

0.16 = 16/100 = 4/25

The sum of numerator and the denominator = 4 + 25 = 19

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Tanisha Yadav 4 years, 2 months ago

16/100=4/25 Sum of numerator and denominator is 4+25=29

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Friends please please please Say me who is the best teacher of 12th Mathematics For board not for competition in YouTube?

Posted by Suryakant Swain 4 years, 2 months ago

CBSE > Class 12 > Mathematics

4 answers

Arpita Sharma 4 years, 2 months ago

Priya thappar

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Iqbal Singh 4 years, 2 months ago

thanks broo??

4Thank You

Shraddha ✨✰✰ 4 years, 2 months ago

Neha agraval , vedantu

2Thank You

Iqbal Singh 4 years, 2 months ago

Ashish Sir or Pathshala both r best teachers on you tube bro see their videos and judge may it is good for u . because I also follow them . ALL THE BEST G

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1+2+3+4+----------+n=?

Posted by Prateek Kumar 4 years, 2 months ago

CBSE > Class 12 > Mathematics

5 answers

Usha Yadav 4 years, 2 months ago

This is an AP Form We are to calculate the sum of number up to N- Terms Using for.formula 2a+ (n-1)d Here a=1 d = 1 So, 2+(n-1) If sum is Given then equal To it...... You will get the Answer...Definitely.... Hope it would help you .........

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Mohit Jaiswal 4 years, 2 months ago

Since the series is in AP with a=1 and d=1. S= n[2a+(n-1)d]/2 = n(2+n-1)/2 =n(n+1)/2

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Iqbal Singh 4 years, 2 months ago

n(n+1)/2

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Suryakant Swain 4 years, 2 months ago

n(n+1)/2

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Kunal Attri 4 years, 2 months ago

n(n+1) /2