If y=aex+be-x+c,where a,b,c are parameters,then x2y11+xy1 is equal to:

1.  0

2.  y

3.  y1

4.  y11

View Answer  
4
Correct Answer :

y11


Explanation :
No Explanation available for this question

The equation of the parabola with the focus (3, 0) and the directrix x+3 = 0 is:

1.  y2 = 3x

2.  y2 = 6x

3.  y2 = 12x

4.  y2 = 2x

View Answer  
4
Correct Answer :

y<sup>2</sup> = 12x


Explanation :
No Explanation available for this question

1.  b=2log |a|

2.  2b=log |a|

3.  b= log |2a|

4.  b2= log |a|

View Answer  
4
Correct Answer :

b=2log |a|


Explanation :
No Explanation available for this question

If e and e' are the eccentricities of the ellipse 5x2+ 9y2 = 45 and the hyperbola 5x2 - 4y2 = 45 respectively,

1.  9

2.  5

3.  4

4.  1

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

1.  log(2/3)

2.  log(3/2)

3.  (1/2)log(2/3)

4.  (1/2)log(3/2)

View Answer  
4
Correct Answer :

log(2/3)


Explanation :
No Explanation available for this question

The line y=mx+c intercepts the circle x2+y2=r2 in two distinct points,if:

1.  

2.  

3.  

4.  none of these

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

The equation 1/r = 1/8 + 3/8 cosθ represents

1.  A parabola

2.  An ellipse

3.  A hyperbola

4.  A rectangular hyperbola

View Answer  
4
Correct Answer :

A hyperbola


Explanation :
No Explanation available for this question

If f: R→R is defined by f(x)=x-[x], where [x] is the greatest integer not exceeding x, then the set of discontinuous of f is

1.  The empty set

2.  R

3.  Z

4.  N

View Answer  
4
Correct Answer :

Z


Explanation :
No Explanation available for this question

1.  1

2.  2

3.  3

4.  4

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

If y=a cos(log x)+b sin(log x), where a, b are parameters, then x2y''+xy' is equal to

1.  y

2.  -y

3.  2y

4.  -2y

View Answer  
4
Correct Answer :

-y


Explanation :
No Explanation available for this question
Previous Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python