A stone thrown upward has its equation of motion s =490t - 4.9t2 then the maximum height reached by it is

1.  24500

2.  12500

3.  12250

4.  25400

View Answer  
4
Correct Answer :

12250


Explanation :
No Explanation available for this question

The radius of a circle plate is increasing at the rate of  0.01 cm/s when the radius is at 12 cm . then the rate at which the area increases is

1.  0.24 π sq.cm/sec

2.  60 π sq.cm/sec

3.  24 π sq.cm/sec

4.  12 π sq.cm/sec

View Answer  
4
Correct Answer :

0.24 π sq.cm/sec


Explanation :
No Explanation available for this question

Observe the following statements A: f'(x) = 2x3 - 9x2  + 12x - 3 is increasing outside the interval (1, 2)R: f'(x) < 0 for x belongs to (1,2).Then which of

1.  Both A and R are true, and R is not the correct reason for A

2.  Both A and R are true, and R is the correct reason for A

3.  A is true but R is false

4.  A is false but R is true

View Answer  
4
Correct Answer :

Both A and R are true, and R is not the correct reason for A


Explanation :
No Explanation available for this question

If ∫[sinx/cosx(1+cosx)]dx=f(x)+c then f(x) is equal to

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

1.  1 / 50

2.  -1 / 50

3.  1 / 100

4.  -1 / 100

View Answer  
4
Correct Answer :

1 / 100


Explanation :
No Explanation available for this question

1.  50 π

2.  25 π

3.  75 π

4.  150 π

View Answer  
4
Correct Answer :

75 &#960;<br><p> <br> </p>


Explanation :
No Explanation available for this question

1.  π2 / 2

2.  π2 / 3

3.  π2

4.  π2 / 4

View Answer  
4
Correct Answer :

&#960;<sup>2</sup> / 4


Explanation :
No Explanation available for this question

If ∫sin-1[2x/(1+x2)]dx=f(x)-log(1+x2)+c then f(x) is equal to

1.  2x tan -1 x

2.  -2x tan -1 x

3.  x tan -1 x

4.  -x tan -1 x

View Answer  
4
Correct Answer :

2x tan <sup>-1</sup> x


Explanation :
No Explanation available for this question

The area (in square units) bounded by the curves y2 = 4x and x2 = 4y in the plane is :

1.  8/3

2.  16/3

3.  32/3

4.  64/3

View Answer  
4
Correct Answer :

64/3


Explanation :
No Explanation available for this question

 If dx + dy =(x + y) ( dx- dy ) then log ( x  +  y ) is equal to

1.  x + y + c

2.  x +2 y + c

3.  x - y + c

4.  2x + y + c

View Answer  
4
Correct Answer :

2x + y + c


Explanation :
No Explanation available for this question
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