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Observations of activity 5 Session 2022-23

Posted by Anshuman Raj 2 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Active observations

Posted by Anshuman Raj 2 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

If A=[2 3] And B=[1 -2],then verify [1-4]. [-1 3] That AB^-1=B^-1A^-1

Posted by Bharti Bisht 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find A power H where a) A= [ 3-5i 2+4i 6+7i 1+8i] Recall that A power H= A power of -T , the conjugate transpose of A is

Posted by Manav Sharma 2 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Aseem Mahajan 2 years, 5 months ago

<font face ="Times New Roman">$$A = \left[\begin{array}{cc}\rm -3 -5i & 2+4i \\ \rm 6+7i & 1+8i\end{array}\right]$$
$$A^T\left[\begin{array}{cc}\rm -3 -5i & 6+7i \\ \rm 2+4i & 1+8i\end{array}\right]$$
$$A^H = \left[\begin{array}{cc}\rm -3 +5i & 6-7i \\ \rm 2-4i & 1-8i\end{array}\right]$$

ANSWER

Find the inverse if possible of each matrice B) b=[2 -3 1 3]

Posted by Manav Sharma 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find the inverse if possible of each matrice A) A=[ 5 3 4 2 ]

Posted by Manav Sharma 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find the inverse, if possible , of each matrice:- a) A=[5 3 b) B= [ 2 -3 4. 2]. 1. 3]

Posted by Manav Sharma 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

X+2y+z=3 2x+5y--z=-4 3x-2y-z=5 solve by matrice form

Posted by Manav Sharma 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

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Posted by Aman Hajari 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

If matrix( matrix 3&0\\ a-2&2 matrix )=[[3, 1], [0, 2]] ^ T then find the value of a .

Posted by Himanish Soni 2 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Aseem Mahajan 2 years, 5 months ago

<font face ="Times New Roman">Given:
$$\left[ \begin{array}{cc}\rm 3 & 0\\ \rm a-2 & 2 \end{array}\right]$$ = $$\left[ \begin{array}{cc}\rm 3 & 0\\ \rm 1 & 2 \end{array}\right]$$
For this equality condition,
a - 2 = 1
Hence , a = 3

ANSWER

Show that the function f(x)=x-1÷x+1 x not equal to -1 is bijective

Posted by Arathy Anil 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

$$\rm \displaystyle \int \limits_0^{\pi}x sin(cos^2x)cos(sin^2x)dx$$

Posted by Aseem Mahajan 2 years, 5 months ago

CBSE > Class 12 > Mathematics

5 answers

Aseem Mahajan 2 years, 4 months ago

<font face ="Courier New" size ="2">for i in rabge

Aseem Mahajan 2 years, 4 months ago

<font face ="Courier New" size ="5">for i in rabge

Aseem Mahajan 2 years, 4 months ago

<font face ="Courier New" size ="12">for i in range

Aseem Mahajan 2 years, 4 months ago

<font face ="Courier New" size ="12">

Hitkar Miglani 2 years, 5 months ago

Ans = π^2 / 2

ANSWER

Find the area of the region enclosed by the curves y² = x, x =1/4, y= 0 and x=1, using integration. ~4 Marks

Posted by Abhishek Shah 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

(√2-i)-i(1-√2i)

Posted by Sakshi Sonvane 2 years, 5 months ago

CBSE > Class 12 > Mathematics

3 answers

Anshu Yadav 2 years, 5 months ago

(√2-i)-i(1-√2i) =√2-i-i+i.i√2 =√2+i²√2-2i = -2i

Aseem Mahajan 2 years, 5 months ago

<font face ="Times New Roman">-2i

Sakshi Sonvane 2 years, 5 months ago

.

ANSWER

Posted by Aseem Mahajan 2 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Aseem Mahajan 2 years, 4 months ago

<font face ="Courier New" size ="3">for i in range

ANSWER

$$\rm \displaystyle \int_{0}^{\dfrac{\pi}{2}} \dfrac{cos^2x dx}{cos^2x+4sin^2x}$$

Posted by ⠀ 2 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Hitkar Miglani 2 years, 5 months ago

Ans = π / 6

ANSWER

$$\rm \displaystyle \int \dfrac{dx}{x^4-1}$$

Posted by Aseem Mahajan 2 years, 5 months ago

CBSE > Class 12 > Mathematics

2 answers

Aseem Mahajan 2 years, 5 months ago

<font face ="Times New Roman">Incomplete answer. Tell complete one. It does not tell how question will solve.

T メ Rex 彡 Krishan 2 years, 5 months ago

Take x^4 as( x^2)^2

ANSWER

<font face ="Times New Roman">For JEE aspirants, a popular question of quest:
Find the greatest non-negative value of 'a' for which ,
$$\displaystyle \lim_{x \to 1}\left[\dfrac{a + sin(x-1) - ax}{x + sin(x-1) - 1}\right]^{\dfrac{1-x}{1-\sqrt{x}}} = \dfrac{1}{4}$$

Posted by Aseem Mahajan 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

<font face = "Times New Roman">For JEE aspirants, a popular question of quest:
Find the greatest non-negative value of 'a' for which ,
$$\displaystyle\lim_{x \to 1}\left[\dfrac{a + sin(x-1) - ax}{x + sin(x-1) - 1}\right]^{\dfrac{1-x}{1-\sqrt{x}} = \dfrac{1}{4}$$

Posted by Aseem Mahajan 2 years, 5 months ago

CBSE > Class 12 > Mathematics

3 answers

Aseem Mahajan 2 years, 5 months ago

<font face ="Times New Roman">Thanks, but to see correct question add course of jee main and check my correct question there.

Sanskriti Kumari 2 years, 5 months ago

We know, lim n 0 ^ sin(u) m =1 lim sin(- 1/x) u -> e (1/x) then I∞ 91 tx + 1/4 = y 94 lim y -> ∞ (sin y)/y which means y (Delta*in - ∞)/(∞) tim Since, range of sine function is [-1,1] lim as divided any by constant number in 0.

Aseem Mahajan 2 years, 5 months ago

This is the question:
$$\displaystyle \lim_{x \to 1}\left[\dfrac{a + sin(x-1) - ax}{x + sin(x-1) - 1}\right]^{\dfrac{1-x}{1-\sqrt{x}} = \dfrac{1}{4}$$

ANSWER

<font face ="Times New Roman">For JEE aspirants, a popular question of quest:
Find the greatest non-negative value of 'a' for which ,
$$\displaystyle \lim_{x \to 1}\left[\dfrac{a + sin(x-1) - ax}{x + sin(x-1) - 1}\right]^{\dfrac{1-x}{1-\sqrt{x}} = \dfrac{1}{4}$$

Posted by Aseem Mahajan 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

evaluate: integrate (tan^2 x * sec^2 x)/(1 - tan^6 x) dx

Posted by Kakan Das 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Construct a 2  2 matrix A = [aij], whose elements are given by (i)   2 i j a 2 ij   (ii) i 3j 2 1 aij   (iii) a e sin jx

Posted by Niranjana Thamilarasan 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Class 9th

Posted by Sahil Kumar 2 years, 5 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Check whether 7+3x is a factor of 3

Posted by Sahil Kumar 2 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Nishant Jha 2 years, 5 months ago

No

ANSWER

Differentiate of log (x sinx

Posted by Loveneet Kaur 2 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Aseem Mahajan 2 years, 5 months ago

<font face ="Times New Roman">1/x + cotx

ANSWER

a square matrix can be zero

Posted by Ankush Gurjar 2 years, 5 months ago

CBSE > Class 12 > Mathematics

2 answers

Nishant Jha 2 years, 5 months ago

Yes

Aseem Mahajan 2 years, 5 months ago

<font face ="Times New Roman">Yes
$$\left|\begin{array}{ccc}0 & 0 & 0 \\ 0 & 0 & 0\\ 0 & 0 & 0\end{array}\right|$$

ANSWER

A vector r has length 21 and direction ratios 2,-3,6. Find the direction cosine

Posted by S.Yashwant Xii B Govt Model School 2 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Aseem Mahajan 2 years, 5 months ago

<font face ="Times New Roman"> 2/7 , -3/7 , 6/7

ANSWER

Please send the blueprint of class 12 maths term 2

Posted by Rishik Kumar 2 years, 5 months ago

CBSE > Class 12 > Mathematics

2 answers

Aseem Mahajan 2 years, 5 months ago

<font face ="Times New Roman">#Harshita Sharma that is for the session 2022-23. He is a student of 2021-22 , because for his badge board exams are going on.

Blueprint is same as the SQP released by cbse <a href="https://cbseacademic.nic.in/SQP_CLASSXII_2021-22.html">here

Harshita Sharma 2 years, 5 months ago

There is no term 1 and term 2 .. Now on wards there is only whole anual exam of 80 marks

ANSWER

UndefinedIntegrate(x^3/(x^2+1)^3,x)

Posted by Mousam Saifi 2 years, 6 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Lab manual activity 9 solution

Posted by Yashashvi Soni 2 years, 6 months ago

CBSE > Class 12 > Mathematics

1 answers

Bhumi Singh 2 years, 6 months ago

Tronometric formula

ANSWER

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