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Lab manual activities

Posted by Kanishka Swami 3 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Mayank . 3 years, 2 months ago

Ye sab ese he hein activities vagera apne aap number lag jaayenge

ANSWER

Integrate e^3x sin2x dx equals

Posted by Utkarsh Sharma 3 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Manisha Kumari 3 years, 1 month ago

3e^3x.cos2x.2

ANSWER

Integration of √x-x^2

Posted by Aayush Kumar 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Practical of application of maxima and minima observations

Posted by Sanika Sakpal 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

The principal value of tan-1 (sin -2) =

Posted by Harish C 3 years, 2 months ago

CBSE > Class 12 > Mathematics

2 answers

Bajrang Singh Druw 3 years, 2 months ago

Yes

Harish C 3 years, 2 months ago

-π/4

ANSWER

A [2-k 2 , 1 3-k] is a singular matrix then the value of 5k- k^2 is equal to what___ , 0,6,-6, 4,-4

Posted by Parminder Kaur 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

sec^2(1/tan2

Posted by Aashi Bholenath 3 years, 2 months ago

CBSE > Class 12 > Mathematics

3 answers

Aashi Bholenath 3 years, 2 months ago

But who are you

Aashi Bholenath 3 years, 2 months ago

Good

❤️Ritesh Gupta? 3 years, 2 months ago

Kaise ho ashi

ANSWER

A man has an expensive square shape piece of golden board of size 24 cm is to be made into a box without top by cutting from each corner and folding the flaps to form a box. I) Volume of open box formed by folding up the flap: (a) 4(? 3 − 24? 2 + 144?) (b) 4(? 3 − 34? 2 + 244?) (c) ? 3 − 24? 2 + 144? (d) 4? 3 − 24? 2 + 144? II) In the first derivative test , if ?? ?? changes its sign from positive to negative as x increases through ?1, then functions attains a , (a) local maxima at x=?1 (b) local minima at x=?1 (c) Neither maxima nor minima at x= ?1 (d) none of these III) What should be the side of the squarepiece to be cut from each corner of the board to behold the maximum volume? (a) 14 cm (b) 12cm (c) 4 cm (d) 5cm IV) What should be the maximum volume of open box? (a) 1034 cubic cm (b) 1024 cubic cm (c) 1204 cubic cm (d) 4021 cubic cm V) The smallest value of the polynomial ? 3 − 18? 2 + 96? ?? [0, 9] is (a) 126 (b) 0 (c) 135 (d) 160.

Posted by Tenzing Sherpa 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

X/(x^2+1) (x-1)

Posted by Keerthika . 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

4. f~A=[\begin{matrix}1&2\\ 3&4\end{matrix}]. find B such that AB=[\begin{matrix}1&0\\ 0&1\end{matrix}].

Posted by Ricknta Irengbam 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

What is meant by optimisation problem

Posted by Faizan Ahmad 3 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Abhi Singh 3 years, 2 months ago

The problems in which you need to find the maximum or minimum value

ANSWER

Cot inverse [cosx/1--sinx]=?

Posted by Abhishek Kr 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Tan−1x+tan−1y+tan−1z=2π then find the value of xy+yz +zx

Posted by Bhumika Agrawal 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

R={(l,m):l perpendicular m} is reflexive

Posted by Himanshurajraj Rajput 3 years, 2 months ago

CBSE > Class 12 > Mathematics

2 answers

Jatin Kumar 3 years, 1 month ago

No

Bhumika Agrawal 3 years, 2 months ago

No

ANSWER

Construct 2×3 matrix whose elements are given by aij =1/2|i-3j|

Posted by Sahil Kumar 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Tan -1x +tan -1 y=

Posted by Sahil Kumar 3 years, 2 months ago

CBSE > Class 12 > Mathematics

2 answers

Atrey Shah 3 years, 2 months ago

tan‐1(x+y/1-xy) if x×y<1

Bhumika Agrawal 3 years, 2 months ago

Tan^-1 (x + y)/(1 - xy)

ANSWER

If lim x tends to 3 f(x) =7 ,which of the following must be true? I.f is continuous at x=3 II.f is differentiable at x=3 III.f(3)=7

Posted by Atchu Senthil 3 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Bhumika Agrawal 3 years, 2 months ago

Yes both are true

ANSWER

The value of k for which F(x)=[3x+4tanx/x , x not equal to 0 [K , x = 0 Is continuous at x =0

Posted by Simran Kumawat 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Class12th practical

Posted by Aditya Kumar 3 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Bhumika Agrawal 3 years, 2 months ago

Btana kya h

ANSWER

Practical file observation table solution?

Posted by Mansidak Kaur 3 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Bhumika Agrawal 3 years, 2 months ago

In which experiment

ANSWER

80-12.3/8-10.5/10-13.2/12

Posted by Shivam Jamod 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

What is constaint

Posted by Aryan Ahlawat 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Check whether the relation R in the set N of natural numbers given by R={(a,b): a is a divisor of b} is reflexive, symmetric or transitive. Also determine whether R is equivalence relation.

Posted by Calvin Bhalerao 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Solution of activity 2

Posted by Rishabh Raj 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

If tan−1x+tan−1y+tan−1z=2π then Prove that xy +yz +zx = 1.

Posted by Bhumika Agrawal 3 years, 2 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

1+ sinx = sin square x/2 + cos square x/2 + 2 sinx/2 cos x /2 How can we obtain this ? Is it a formula

Posted by Himanshi Rajput 3 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Bhumika Agrawal 3 years, 2 months ago

Taking RHS sin^2 (x/2)+cos^2 (x/2)+2sin (x/2)cos (x/2)=1+sin2y {Let x/2=y, sin^2 y + cos^2 y=1, 2 sin y cos y=sin2} put the value of y 1+sin2 (x/2) = 1+sinx

ANSWER

sqrt(2)sin 135^(@) cos 210^(@) tan 240^(@) cot 300^@ "sec" 330^(@)

Posted by Prashant Singh 3 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Bhumika Agrawal 3 years, 2 months ago

Krna kya h

ANSWER

Three friends Ravi, Raju and Rohit were doing buying and selling of stationery items in a market. The price of per dozen of Pen, Notebook and toys are Rupees x, y and z respectively. Ravi purchases 4 dozens of notebooks and sells 2 dozens of pens and 5 dozens of toys. Raju purchases 2 dozens of toy and sells 3 dozens of pens and 1 dozen of notebooks. Rohit purchases one dozen of pens and sells 3 dozens of notebooks and one dozen of toys. In the process, Ravi, Raju and Rohit earn ₹ 1500, ₹ 100 and ₹400 respectively.

Posted by Ranarshi Saha 3 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Bhumika Agrawal 2 years, 2 months ago

X=-200 Y= -100 Z= -300

ANSWER

Maximise z=3x+4y Subject to the constraints :x+y<_4 X_>0 Y_>0

Posted by Kritika Gupta 3 years, 2 months ago

CBSE > Class 12 > Mathematics

1 answers

Bhumika Agrawal 3 years, 2 months ago

For (0,4) the value of z=16

ANSWER

find the derivative of function f( x)=10 ⁵√x³- √x⁷+6 ³√x⁸-3 with respect to x

Posted by Shajiya Rahman 3 years, 2 months ago

CBSE > Class 12 > Mathematics

2 answers

Bhumika Agrawal 3 years, 2 months ago

6 x^(-2/5) - (7/2) x^(5/2) + 16 x^(2/3)

. . 3 years, 2 months ago

f(x)= 10x^3/5 - x^7/2+6x^8/3-3 dy/dx= 30/5 x^(-2/5) -7/2x^(5/2)+16x^5/3

ANSWER

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