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# Differential Equations Free Doubts and Solutions

## Sin-1(1-x)-2sin-1x==π/2

Asked by pramodtalukdar 27th October 2016, 2:41 PM
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## Let f(x) and g(x) be twice differentiable functions on [0,2] satisfying f''(x)=g''(x),f'(1)=6,f(2)=3 and g(2)=9.Then what is f(x)-g(x) at x=4 equal to?

Asked by Deebu 5th September 2016, 3:29 PM
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## in differential equation of linear differential equation . after variable separation method. while integrating we use constant C but i have seen in many of the question they have taken the constant as log C. how do we get to know where to take constant C or where to take it as log C. if you are unable to understand my question check ncert solutions of exercise 9.5 question no. 6 and 2. in question 2 we have used constant C but in question 6 we have used Log C

Asked by rohit dalal 27th February 2015, 5:22 PM
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## find the solution of dy/dx=2x+2y-3/3x+3y+5

Asked by Ritika Agrawal 9th October 2014, 10:34 PM
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## find the solution of dy/dx=sin(x+y)+cos(x+y)

Asked by Ritika Agrawal 9th October 2014, 10:31 PM
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### CBSE - XII Science - Mathematics - Differential Equations

Asked by Praveen Kumar 2nd May 2014, 8:26 PM
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## (1 + y2) dx = (tan�1 y � x) dy ; y(0) = 0

Asked by RyanRobert 19th March 2014, 5:24 PM
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## find the general solution  of the differential equation  dy/dx - y = cosx

Asked by mahima 19th March 2014, 3:57 PM
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## log C( 1-y) = -x C (1-y) = e(power -x) ( i did not understood this step.)

Asked by Shweta Thomas 19th March 2014, 12:54 PM
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## log C( 1-y) = -x C (1-y) = e(power -x) ( i did not understood this step.)

Asked by Shweta Thomas 19th March 2014, 12:48 PM
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