The solution of the differential equation dy/dx = xy+y/xy+x

1.  x+y-log(cy/x)

2.  x+y=log(cxy)

3.  x-y-log(cx/y)

4.  y-x=log(cx/y)

4

y-x=log(cx/y)

Explanation :
No Explanation available for this question

The solution of the differential equation dy/dx = x-2y+1/2x-4y is

1.  (x-2y)2+2x=C

2.  (x-2y)2+x=C

3.  (x-2y)2+2x2=C

4.  (x-2y)+x2=C

4

(x-2y)2+2x=C

Explanation :
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The solution of the differential equation dy/dx – y tan x = ex sec x

1.  y= ex cos x+ C

2.  y cos x = ex+ C

3.  y= ex sin x+ C

4.  y sin x = ex + C

4

y cos x = ex+ C

Explanation :
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The solution of the differential equation xy2dy - ( x3 + y3 )dx = 0 is

1.  y3 = 3x3 + c

2.  y3 = 3x3log(cx)

3.  y3 = 3x3 + log(cx)

4.  y3 + 3x3 = log(cx)

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y<sup>3 </sup>= 3x<sup>3</sup>log(cx)

Explanation :
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1.  3/2

2.  1/4

3.  1/24

4.  4

4

1/24

Explanation :
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If

1.  y/x

2.  x/y

3.  x2/y2

4.  y2/x2

4

y2/x2

Explanation :
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If the distance s travelled by a particle in time t is given by s = t2 - 2t + 5,then its acceleration is

1.  0

2.  1

3.  2

4.  3

4

2

Explanation :
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The length of the sub tangent at any point (x1, y1) on the curve y = 5X is

1.  5x1

2.  y15x1

3.  loge5

4.  1 / loge5

4

1 / log<sub>e</sub>5

Explanation :
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u = u(x, y) = sin (y+ax) - (y+ax)2 ===>

1.  uxx = a2 . uyy

2.  uyy = a2 uxx

3.  uxx = -a2 . uyy

4.  uyy = -  a2 uxx

4

u<sub>xx</sub> = a<sup>2</sup> . u<sub>yy</sub>

Explanation :
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1.  2 sin-1(x/a) +c

2.  2a sin-1(x/a)+c

3.  2 cos-1(x/a) +c

4.  2a coss-1(x/a)+c

4