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Home /Doubts and Solutions/CBSE/Class 12 Science/Mathematics/Continuity And Differentiability

Continuity And Differentiability Free Doubts and Solutions

CBSE - XII Science - Mathematics - Continuity and Differentiability

If y 1/m+ y -1/m=2x,show that (x2-1)Y2+xY1=m2  y

Asked by pramodtalukdar 28th August 2016, 5:16 PM
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CBSE - XII Science - Mathematics - Continuity and Differentiability

Differentiate log(1-sinx/1+sinx)^1/2 w.r.t. x
 
 
My answer came out to be -secx. Is this right? 

Asked by Udai 30th July 2016, 6:52 PM
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CBSE - XII Science - Mathematics - Continuity and Differentiability

 
Q-1  IS   ROLL'S   THEOREM  is  applicable on  x+1/x  in interval  [-1 1] ?  please  give  reason ?  
 
 
Q-2   Is  it necessary  that  mean  value theorem   is also verified  on a function if roll's theorem is applicable on it 

Asked by Aakash 25th January 2016, 4:46 PM
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CBSE - XII Science - Mathematics - Continuity and Differentiability

teach me some shortcuts in parametric differentiation.

Asked by ushha1971 6th June 2015, 7:46 PM
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CBSE - XII Science - Mathematics - Continuity and Differentiability

Q:If the function is continous at x=0,find a,b,c
                       F(X)=left curly bracket sin open parentheses a plus 1 close parentheses x space plus sin x right curly bracket divided by x         x less than 0
                                  c                                                          x=0
                                   left parenthesis square root of x plus b x squared end root space minus space square root of x right parenthesis divided by b x to the power of 3 divided by 2 end exponent space space space space space space space space space space x greater than 0.

Asked by Ravi consul 15th March 2015, 8:49 PM
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CBSE - XII Science - Mathematics - Continuity and Differentiability

Q;Find the value of m such that the function
                     F(X)=      m(x squared-2x)           x less than 0
                                   cosx                        x greater or equal than 0
is continous at x=0

Asked by Ravi consul 15th March 2015, 7:56 PM
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CBSE - XII Science - Mathematics - Continuity and Differentiability

Q:Find the derivative of sin open parentheses square root of x close parentheses using first principles.

Asked by Ravi consul 15th March 2015, 7:50 PM
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CBSE - XII Science - Mathematics - Continuity and Differentiability

Can anyone pls explain me how to solve the following Q stepwise.
 
If x=2 log subscript e left parenthesis tan left parenthesis theta divided by 2 right parenthesis right parenthesis and y=sin left parenthesis theta right parenthesis find d squared y divided by d x squared at theta=straight pi divided by 2.
 

Asked by Bhuvan K Iyer 17th February 2015, 6:27 PM
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CBSE - XII Science - Mathematics - Continuity and Differentiability

if y = sin^-1 [ {5x + 12(1-x^2)^1/2} / 13 ] find dy/dx

Asked by Jerrin Thomas 11th February 2015, 3:21 PM
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CBSE - XII Science - Mathematics - Continuity and Differentiability

D i f f e r e n t i a t e space sin space open square brackets 2 space tan to the power of minus 1 end exponent space square root of fraction numerator 1 minus x over denominator 1 plus x end fraction end root space close square brackets space space w. r. t. x.

Asked by inderjeet.saluja 24th August 2014, 5:58 PM
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