Slope of the normal to the curve x=a(t+sin t), y=a(t-sin t) is

1.  cot2t/2

2.  -cot2t/2

3.  tan2t/2

4.  -tan2t/2

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4
Correct Answer :

-cot2t/2


Explanation :
No Explanation available for this question

The normal to a given curve in parallel to x-axis if

1.  dy/dx=0

2.  dy/dx=1

3.  dx/dy=0

4.  dx/dy=1

View Answer  
4
Correct Answer :

dx/dy=0


Explanation :
No Explanation available for this question

If the slope of the tangent to the curve xy+ax=by at (1, 1) is 2, then (a, b)

1.  (0, 1)

2.  (1, 2)

3.  (-1, 2)

4.  (1, -2)

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4
Correct Answer :

(1, 2)


Explanation :
No Explanation available for this question

The equation of the tangent to the curve 6y=7-x3 at (1, 1) is

1.  2x+y=3

2.  x+2y=3

3.  x+y=1

4.  x+y+2=0

View Answer  
4
Correct Answer :

x+2y=3


Explanation :
No Explanation available for this question

The equation of the tangent to the curve y(x+1) =4 at the point (2, 4/3) is

1.  4x+9y+20=0

2.  4x+9y-20=0

3.  9x+4y+20=0

4.  9x-4y+20=0

View Answer  
4
Correct Answer :

4x+9y-20=0


Explanation :
No Explanation available for this question

The equation of the tangent to the curve 2x2-xy+3y2=18 at (3, 1) is

1.   11x+3y-36=0

2.   11x-3y+36=0

3.   3x+11y-2=0

4.  3x-11y+2=0

View Answer  
4
Correct Answer :

11x+3y-36=0


Explanation :
No Explanation available for this question

The equation of the tangent to the curve y=x3-2x+7 at (1, 6) is

1.  Y=x+5

2.  x+y=7

3.  2x+y=8

4.  x+2y=8

View Answer  
4
Correct Answer :

Y=x+5


Explanation :
No Explanation available for this question

The equation of the tangent to the curve x2/a2+y2/b2=1 at (x1, y1) is

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

The equation of the tangent to the curve y=6x/x2-1 at (2, 4) is

1.  10x+3y-32=0

2.   10x-3y-32=0

3.  3x+10y-34=0

4.  3x-10y-34=0

View Answer  
4
Correct Answer :

10x+3y-32=0


Explanation :
No Explanation available for this question

The equation of the tangent to the curve y=8/4+x2 at x =2 is

1.  2x+y+3=0

2.  x-2y+4=0

3.  2x-y-3=0

4.  x+2y-4=0

View Answer  
4
Correct Answer :

x+2y-4=0


Explanation :
No Explanation available for this question
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