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

Given: ……….(i) Let [From eq. (i)] ……….(ii) Now or or or or Now is rejected because according to question, is a positive number. Also is rejected because from eq. (i), = 35 – 35 = 0, but is positive. Therefore, is only the turning point. At , = By second derivative test, will be maximum at when . Therefore, the required numbers are 10 and 25.

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Siny=xsin(a+y) find dy/dx

Posted by Abhey Mishra 5 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Abhi Jain 5 years ago

1=xSin(a+y) ÷Siny

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Sec(tan(√x)) differentiate w.r.t x

Posted by Aastha .? 5 years, 1 month ago

CBSE > Class 12 > Mathematics

3 answers

Nishu Dahiya 5 years, 1 month ago

Sec^3√x Tan√x/2√x

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Harish Verma 5 years, 1 month ago

Sec²√xsec(tan√x)tan(tan(√x))/2√x

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Priya Singh 5 years, 1 month ago

d(sec(tan√x))/dx= Sec(tan√x).tan(tan√x)d(tan√x)/dx Sec(tan√x).tan(tan√x).sec²√x.d(√x)/dx Sec(tan√x).tan(tan√x).sec²√x.1/2√x.

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F(x){ 3x²-2, x<2 and x³+3 , x≥2 find differentiability at x=2

Posted by Ankit Chaudhary 5 years, 1 month ago

CBSE > Class 12 > Mathematics

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24468®°=™÷36

Posted by Krishna Upadhyay 5 years ago

CBSE > Class 12 > Mathematics

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Y=(√1+sinx + √1-sinx)/(√1+sinx - √1-sinx) Differentiate it

Posted by Aparna Mehra 5 years, 1 month ago

CBSE > Class 12 > Mathematics

2 answers

Abhi Jain 5 years ago

It can be done in 2 methods First,, Put, sin into cos form Second, Multiply and divide by (√1+sinx + √1-sinx)

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Sahil Kumar 5 years, 1 month ago

Please check the denominator because the constant and variable of the denominator are cancelling out and then it's become 0. And after that differentiation of (infinity) w.r.t any variable gives infinity.

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Integration of e^x.(1/x^2-1/x^3)

Posted by Vedanshi Suthar 5 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Rohit Kashyap 5 years, 1 month ago

Gii

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Give the solution of differential equation: y((dy/dx)^2 ) + 2x(dy/dx) = y

Posted by Shreshth Mitawa 5 years, 1 month ago

CBSE > Class 12 > Mathematics

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If A is a matrix of order 3 by 3 then show that (A^-1)^2=(A^2)^-1

Posted by Sandriel Euphoria 5 years, 1 month ago

CBSE > Class 12 > Mathematics

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Practical to understand the concept of incresing or decreasing function

Posted by Sarvottam Kumar 5 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Sahil Kumar 5 years, 1 month ago

Yaa, you have to solve question by doing imagination that where the functions is increasing and decreasing during solving questions. Like :- (x-3)(x-4)=0 Intially equate orders with zero, we get:- x=3,x=4. (The two critical points). Now the order of (x-3)^1 is 1, which is odd. Then in number line when we move to another point, it remains same degree. Similary for other order.

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The vertices of a triangle are (1,2) (k,0)and (4,3) find the value of k if the area of the triangle is 2 square units

Posted by Priyanshu Raj 5 years, 1 month ago

CBSE > Class 12 > Mathematics