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What is idempotent and nilpotent?

Posted by Saumya Singh 4 years, 5 months ago

1 answers

Idempotent means "the second power of A (and hence every higher integer power) is equal to A". Nilpotent means "some power of A is equal to the zero matrix".

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In NCERT exercise 4.5 que no 4 class 12

Posted by Chirag Gautam 4 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Mishti ???? 4 years, 4 months ago

U can find the solutions of ncert book in this app dear??

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Graph of sin x

Posted by Lalit Tanwar 4 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Khushi....? ??‍? 4 years, 5 months ago

Refer google...

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Let z be the set of integer show that the relation R={(a,b)/a+b is even a,b€z} is an equivalence relation

Posted by Sumathi R B 4 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Cbse has deducted anything from our syllabus?????

Posted by Bhoomi ☺️?? 4 years, 5 months ago

CBSE > Class 12 > Mathematics

5 answers

Prema Tamang 4 years, 5 months ago

Nooo

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Aashrity .... 4 years, 5 months ago

Nooo

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Ayush Vishwakarma?? 4 years, 5 months ago

Mere ko toh ni lagta aisa hoga..

1Thank You

Khushi....? ??‍? 4 years, 5 months ago

Hope so...

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Nirmal Sharma 4 years, 5 months ago

Yaaaa

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if f is onto , g is onto then gof is also onto ...How ??

Posted by Rajeev Gupta 4 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

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Decimals are what

Posted by Sanjeev Pundir 4 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Khushi....? ??‍? 4 years, 5 months ago

The decimal numeral system is the standard system for denoting integer and non-integer numbers. It is the extension to non-integer numbers of the Hindu–Arabic numeral system. The way of denoting numbers in the decimal system is often referred to as decimal notation.

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Sin^-1 x +sin^-1y=

Posted by Ruheen Sk 4 years, 5 months ago

CBSE > Class 12 > Mathematics

2 answers

Ayush Vishwakarma?? 4 years, 5 months ago

Why are you take formula change into other term which is given like tan , cos etc and apply the addition formula like tanA+tanB.... etc

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Gaurav Seth 4 years, 5 months ago

sin^-1x + sin^-1y = sin^-1 (x √1-y² + y √1-x²)

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Sin^-1 ( sin theta ) = theta for all

Posted by Ruheen Sk 4 years, 5 months ago

CBSE > Class 12 > Mathematics

2 answers

Ayush Vishwakarma?? 4 years, 5 months ago

Theta € [-pi/2,pi/2]. That's good khushi this is impotant to take range of I.T.F in cbse board examination.

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Khushi....? ??‍? 4 years, 5 months ago

Theta is the answer and also... theta € [-pi/2, pi/2]...

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What do you mean by comparable matrices

Posted by Deeksha Baranwal 4 years, 5 months ago

CBSE > Class 12 > Mathematics

2 answers

Kareena Yadav 4 years, 5 months ago

Two compareable matrics are those whose order are equal and the corressponding elements are equal

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Mishti ???? 4 years, 5 months ago

Two matrices A & B are said to be comparable, if they have the same order (i.e., number of rows of A & B are same and also the number of columns). Regards. ????

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Let f:R-R be defined by f(x)=x²+1 then pre-image of -3 is

Posted by Akhilesh Naithani 4 years, 5 months ago

CBSE > Class 12 > Mathematics

2 answers

Khushi....? ??‍? 4 years, 5 months ago

The answer is phi its value cannot be defined because root of -4 is imaginary....and function is not possible hence -3 has no pre image.... For more clear explanation.... f(x)=x^2+1... For pre image of -3 f(x)=-3...solving this we get root -4 which is not possible....

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Ayush Vishwakarma?? 4 years, 5 months ago

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Define matrix

Posted by Saurav Sharma 4 years, 5 months ago

CBSE > Class 12 > Mathematics

3 answers

Khushi....? ??‍? 4 years, 5 months ago

In mathematics, a matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns. For example, the dimension of the matrix below is 2 × 3, because there are two rows and three columns: Provided that they have the same size, two matrices can be added or subtracted element by element.

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Ayush Vishwakarma?? 4 years, 5 months ago

Matrix is a rectangular array in which the data are arranged by many types. The array is defined as collection of numbers.you can also say that the sum of symmetric and skew symmetric is called matrix.

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Supriya Tiwari 4 years, 5 months ago

Matrix is an ordered rectangular array of numbers or functions.

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If two events A and B are such that P(A')=0.3, P(B)=0.4 and P(A n B') =0.5 . Find P(B/(A' n B')).

Posted by Durgesh Srivastava 4 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Aman Goyal 4 years, 5 months ago

Answer is 0 P(B/(A'nB')) = P(BnA'nB')/P(A'nB') P(BnA'nB')/P(A'nB') = P(A'n phi) = P(phi) = 0

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If anyone is studying in 10 th class than please ask your question only for 10 th class

Posted by Khushboo Tiwari 4 years, 5 months ago

CBSE > Class 12 > Mathematics

2 answers

Khushi....? ??‍? 4 years, 5 months ago

Ya that's right aap jis class k ho us ckass me apna questions puchho

1Thank You

Shiv Sunder Panda 4 years, 5 months ago

who are you

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3 4 −7 −6? =.........

Posted by Parmjit Singh 4 years, 5 months ago

CBSE > Class 12 > Mathematics

3 answers

Ayush Vishwakarma?? 4 years, 5 months ago

Why are you asking this type of question? Puchna hai toh math part 1 se pucho

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Ayush Vishwakarma?? 4 years, 5 months ago

21.

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Khushi....? ??‍? 4 years, 5 months ago

4Thank You

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A die is rolled . If the outcome is even number , what is the probability that it is a prime number??

Posted by Aadi Sharma 4 years, 5 months ago

CBSE > Class 12 > Mathematics

4 answers

Deeksha Baranwal 4 years, 5 months ago

1/3

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Khushboo Tiwari 4 years, 5 months ago

1/3

1Thank You

Aakash Kumar 4 years, 5 months ago

Even numbers on die /no of possible outcome =3(these are 2,4 and 6) No of favourable outcome =1(that is 2) Probability =favourable /possible =1/3

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Khushi....? ??‍? 4 years, 5 months ago

1/3

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123

Posted by Manju Devi 4 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Khushi....? ??‍? 4 years, 5 months ago

What do you want to say

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integration of sinx / sin*2x (sinx+cosx) dx

Posted by Kumar Pradyumn Mani Tripathi 4 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Khushi....? ??‍? 4 years, 5 months ago

If in the question it is sin2x then the answer is 1/2log(tan x+1)+c..... and if in the question it is sin^2x then the answer is -log(1+cot x)+c.....

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Is it necessary to solve rd sharma maths ?

Posted by Supriya Tiwari 4 years, 5 months ago

CBSE > Class 12 > Mathematics

4 answers

Deeksha Baranwal 4 years, 5 months ago

Obviously not

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Khushi....? ??‍? 4 years, 5 months ago

No absolutely not

1Thank You

Supriya Tiwari 4 years, 5 months ago

0Thank You

Ayush Vishwakarma?? 4 years, 5 months ago

No it's only a practice book.

1Thank You

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Which is the easiest nd toughest exercise of ch 5 ???

Posted by Bhoomi ☺️?? 4 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Kumar Pradyumn Mani Tripathi 4 years, 5 months ago

5.2 is easiest and 5.5 is slightly tough

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If A and B are square matrices, then AB is a

Posted by Palanisamy M 4 years, 5 months ago

CBSE > Class 12 > Mathematics

3 answers

Kumar Pradyumn Mani Tripathi 4 years, 5 months ago

square matrix

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Khushi....? ??‍? 4 years, 5 months ago

Square matrix...

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Ayush Vishwakarma?? 4 years, 5 months ago

Square matrix

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?⃗ , ?⃗⃗ , ?⃗ are three vectors such that |?⃗| = 5 , |?⃗⃗| = 12 and |?⃗| = 13 and ?⃗ + ?⃗⃗ + ?⃗ = ⃗0⃗⃗ and , find the value of ?⃗. ?⃗⃗ +?⃗⃗. ?⃗ +?⃗. ?⃗

Posted by Palanisamy M 4 years, 5 months ago

CBSE > Class 12 > Mathematics

2 answers

Khushi....? ??‍? 4 years, 5 months ago

-109...

1Thank You

Palanisamy M 4 years, 5 months ago

What answer

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Show that y=log(1+x)-2x/2+x, x>-1 ,is increasing function of x throughout its domain.

Posted by Aryan Gupta 4 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

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All formulas of trigonometry

Posted by Mehakdeep Kaur 4 years, 5 months ago

CBSE > Class 12 > Mathematics

2 answers

Ayush Vishwakarma?? 4 years, 5 months ago

Remember the formula of trigonometry there are some concept which is also used by you like . Cos(A+B) = COSA.COSB-SINA.SINB . In this formula you have learn that Cos A + B is form as doublet of cos and sin and has a opposite sign. And so on.

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As Yadav 4 years, 5 months ago

You can Google ?

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Detivative of sin x

Posted by Stuti Trivedi 4 years, 5 months ago

CBSE > Class 12 > Mathematics