If cos-1(y/b)=nlog(x/n) then x2y2+xy1=

1.  n2y

2.  n2y2

3.  -n2y

4.  ny

4

-n2y

Explanation :
No Explanation available for this question

Let f(x)=ax2+(3b/x)∀x≠0,then f11(x)/f(x)=

1.  -2/x2

2.  2/x2

3.  1/x2

4.  -1/x2

4

2/x2

Explanation :
No Explanation available for this question

If

1.  1/3

2.  3

3.  5/3

4.  3/5

4

3

Explanation :
No Explanation available for this question

If x=cost and y=sin4t,then(1-x2)y2-xy1=

1.  4y

2.  -4y

3.  16y

4.  -16y

4

-16y

Explanation :
No Explanation available for this question

A is 4x4 matrix and |A|=-2,then |adj(adjA)|

1.  29

2.  26

3.  -29

4.  -26

4

-29

Explanation :
No Explanation available for this question

If (a+bx)ey/x=x,then x3y2=

1.  xy1-y

2.  (y1-xy)2

3.  (xy1-y)2

4.  (y1-xy)3

4

(xy1-y)2

Explanation :
No Explanation available for this question

Area of the segment cutoff from the parabola y2=2x by the straight line y=4x-1:

1.  1/32

2.  3/32

3.  9/32

4.  5/32

4

9/32

Explanation :
No Explanation available for this question

The equation of the tangent at (1,2) to the curve 3x2+2xy-y2+8x-6y+1=0 is

1.  9x-4y-1=0

2.  9x-4y+1=0

3.  9x+4y-17=0

4.  9x+4y-22=0

4

9x-4y-1=0

Explanation :
No Explanation available for this question

If ey+xy=e,then y2(0)=

1.  1/e3

2.  1/e2

3.  1/e

4.  1

4

1/e2

Explanation :
No Explanation available for this question

1.  0

2.  1

3.  -1

4.  1/2

4