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                   when function is increasing
                   

3 years ago

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The derivative of a function may be used to determine whether the function is increasing or decreasing on any intervals in its domain. If f′(x) > 0 at each point in an interval I, then the function is said to be increasing on I. f′(x) < 0 at each point in an interval I, then the function is said to be decreasing on I. Because the derivative is zero or does not exist only at critical points of the function, it must be positive or negative at all other points where the function exists.

3 years ago

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image is attached. Find eqn of normal to the curve at x=0
 
 
dy/dx= (1+x) y * y/(1+x) + sin2x/(1- sin 4 x) at x=0 dy/dx= 1 slope of normal =-1 y=-x
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Sher Mohammad one year ago
 
dy/dx= (1+x) y * y/(1+x) + sin2x/(1- sin 4 x) at x=0 dy/dx= 1 slope of normal =-1 y=-x
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Sher Mohammad one year ago
 
Hello student, Please find answer to your question
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Jitender Singh one year ago
differentiate x arcsinx w.r.t arcsinx
 
 
The question can be expressed as “ differentiate (x arcsinx wrt x)/ (differentiate arcsinx wrt x)
 
Jayakrishna one month ago
question is …....f(x+y)=f(x)+f(y) is a odd function prove..... i added image of solution of this question .please help me to understand solution …..i cant understand the solution which give ...
 
 
Ans: Hello Student, Please find answer to your question below Solution which you attached is little bit complicated. So I am gonna do this by an easier method. By definition, Since f(0) = 0,...
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Jitender Singh 10 months ago
 
….…..then ….…....then sir i can not understand this step please explain again fully
 
milind 10 months ago
 
sir i can not understand this step please explain again fully
 
milind 10 months ago
What is √(-20) ?
 
 
4.47213595 i
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Ashutosh Sharma 28 days ago
 
√-20 =√20√-1 =√20i=4.472135955i (the value of i is √-1)
 
Akhil Chinnu 3 days ago
rank of matrix
 
 
The number of non-zero rows in the row reduced form of a matrix is called the row-rank of the matrix.
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Vijay Mukati 25 days ago
Q . EQUATION OF THE STRAIGHT LINE BELONGING TO THE FAMILY OF LINES :- ( x + y ) + k( 2x – y +1) =0 , THAT IS FARTHEST FROM ( 1 , – 3) IS :- 13y – 6x = 7 13y + 6x = 0 15y + 6x =7 15y – 6x = 7
 
 
The point of intersection of given family of lines is the point of intersection of x+y=0 and 2x-y+1=0 and it is (-1/3 1/3). The required line belongs to the given family so it must pass...
 
Himaja 9 months ago
 
thanks....got it
 
Bharat Makkar 8 months ago
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