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Why do we you the baye's therom

Posted by Lenin Lenin 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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Integral 0 to π/4 sinx + cosx divided by 16 + 9sin2x

Posted by Adarsh Aji 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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Y is equal to sign of a Sin inverse X show that 1 - x square into D square y divide bye D x square minus apps DY bye DX + a square y is equal to zero

Posted by Manpreet Kaur 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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Y is equal to sign of a Sin inverse X show that 1 -+ x square) into the square dyssuare/d x square minus x DY by DX + a square Y is equal to zero

Posted by Manpreet Kaur 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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exercise no 5.2 Question no.6

Posted by Nitesh Kumar 7 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Yuvedha T 7 years, 5 months ago

Cosx^3.sin^2x^3 =Cosx^3.[d/dx(sin^2x^5)] + sin^2x^5[d/dx(cosx^3)] =cosx^3×2sinx^5×cosx^4×5x^4 + sin^2x^5×(-3x^2×sinx^3) = 10x^4. sinx^5.cosx^5.cosx^3-3x^2sinx^3.sin^2x^5. { formulaes used:₩ d/dx(cosx)=-sinx ₩d/dx(sinx)=cosx ₩d/dx(x^n=n.x^(n-1)}

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Evaluate each of the following using cofactors |3 4 5 -6 2 -3 8 1 7|

Posted by Tarang Aggarwal 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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Question answers of exercise 7.3 chapter differentiation

Posted by Jashandeep Singh 7 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Ankur Dahiya 7 years, 5 months ago

U can get all the answers from an ncert offline app

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Determinant 111 abc a^3b^3c^3

Posted by Shivam Kumar 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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y=f(x)=ax-b÷ bx-a TPT-x=f(y)

Posted by Md Arshlan 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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How to prepare for CBSE Mathematics? 12th?

Posted by Anuj Kumar 7 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Rishabh Sahu 7 years, 5 months ago

Study all chapters ,practice questions from all topics , be sure to cover ncert miscellaneous and also spare some time for questions out of ncert from refreshers and cbse past papers.

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Find the equations of the tangent and normal lines to y=1+Sin x/Cos x at x=pi/4

Posted by Dhruv Bansal 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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Sir what is the relasing date of forms of improvement examination 2018

Posted by Vipin Vashist 7 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Rishabh Sahu 7 years, 5 months ago

There are only students available here. There are no representatives of cbse here. If you want to know the date the best way is to contact regional cbse office.

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Lim(1+2+3------n/npower2

Posted by Shivanshu Kaushik 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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Evaluate. Underroot tan x sum of indefinite integral

Posted by Anmol Dhillon 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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If Y=(log x)^2 prove that x^2 d2y/dx^2 +x dy/dx -2 =0

Posted by Naman Bajwa 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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Cosec power -1(-√2)

Posted by Ujjwal Singh 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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f(x) =1/4x-1 on [1,4]

Posted by Bhawani Tanwar 7 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Deepa Shree 7 years, 5 months ago

What is d query here

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If a/b+c,b/c+a,c/a+b in a.p and a+b+c not equal to 0, prove that 1/b+c,1/c+a,1/a+b are in a.p

Posted by Anjali Kumari 7 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Deepa Shree 7 years, 5 months ago

If they are in ap then 2b/a+c=a/b+c+c/a+b Takinng lcm we get in rhs= 2a+b+c/(b+c)(a+b) now sbtract this we get

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limit 1 to 3 x^2 solve as a limit of sum

Posted by Shubham Kumat 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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How can we try to solve inverse matrix using elementary operations?

Posted by Tarang Aggarwal 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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-3x^2+10x+8/x^2-3x+4<0

Posted by Amardeep Kumar 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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derivative of sinx /1+(cosx)/ y

Posted by Tisha Arora 7 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Amarjeet Singh 7 years, 5 months ago

Type the ques right

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If A is a square matrix of order 3 and |3A|=K|A|.find K

Posted by Ishika Natasha 7 years, 5 months ago

CBSE > Class 12 > Mathematics

2 answers

Kriti Chhetri 7 years, 5 months ago

|3A|=3^3|A| . Given |3A|=k|A| . ->> k|A|=3^3|A| . ->>k=3^3 . ->>k=27.

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Tisha Arora 7 years, 5 months ago

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Value of iorta is ..

Posted by Pratik Kumar 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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what is the prime number

Posted by Vishwjeet Singh 7 years, 5 months ago

CBSE > Class 12 > Mathematics

2 answers

Amarjeet Singh 7 years, 5 months ago

Those who have only two factors i.e 1 and the number itself

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Anu Gupta 7 years, 5 months ago

2,3,5,7,11are prime no

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Binry operation

Posted by Anu Gupta 7 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Anu Gupta 7 years, 5 months ago

An binery operation in which produce as one element from two given element eg; addition , subtraction, multiplication,and division of number

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If ylogx=(x-y) ,prove that dy/dx=logx/(1+logx)^2

Posted by N. T. 7 years, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Prabjeet Singh 7 years, 5 months ago

{tex}\text {Given equation is }y \text { log }x = x-y{/tex} {tex}...(1){/tex}

{tex}\therefore x=y \text { log }x + y{/tex}

{tex}\Rightarrow x=y(\text {log }x+1)=y(1 + \text {log } x){/tex} {tex}...(2){/tex}

{tex}\text {Differentiating Eqn. (1) using product rule, w.r.t. }x, \text { we get,}{/tex}

{tex}\cfrac {y}{x} + \text {log } x.\cfrac {dy}{dx} = 1-\cfrac {dy}{dx}{/tex}

{tex}\Rightarrow \text {log }x.\cfrac {dy}{dx} + \cfrac {dy}{dx} =1-\cfrac {y}{x}{/tex}

{tex}\Rightarrow \cfrac {dy}{dx} \bigg(\text {log }x+1\bigg)=\cfrac {x-y}{x}{/tex}

{tex}\Rightarrow \cfrac {dy}{dx}=\cfrac {x-y}{x(1+\text {log }x)}{/tex}

{tex}\text {From Eqn. (1) and Eqn. (2),}{/tex}

{tex}\Rightarrow \cfrac {dy}{dx} =\cfrac {y \text { log }x}{y(1+\text { log }x)(1+\text {log }x)}{/tex}

{tex}\Rightarrow \cfrac{dy}{dx}=\cfrac {\text { log }x}{(1+\text {log }x)^2}{/tex}{tex}\text {Proved}{/tex}

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sinx+cosx÷16+9sin2xdx lim 0 to π/4

Posted by Pramod Vishwakarma 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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Slope of any 2 parallel lines are same. True or False

Posted by Nithiesh Lakshmanan 7 years, 5 months ago

CBSE > Class 12 > Mathematics

3 answers

Devashish Agrawal 7 years, 5 months ago

True

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Nitin Raghav 7 years, 5 months ago

True

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Dhruv Bansal 7 years, 5 months ago

True

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Define Rational November.

Posted by Aazad Prasad 7 years, 5 months ago

CBSE > Class 12 > Mathematics

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