If cosec2 θ-3 cosec θ+2=0 then θ=

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

If α,β be the roots of the equation (x-a)(x-b)+c=0 (c≠0),then the roots of the equation (x-c-α)(x-c-β)=c are

1.  a and b+c

2.  a+c and b

3.  a+c and b+c

4.  a-c  and b-c

View Answer  
4
Correct Answer :

a+c and b+c


Explanation :
No Explanation available for this question

The equation whose roots are 2√3-5 and -2√3-5 is

1.  x2+10x-13=0

2.  x2-10x+13=0

3.  x2+10x+13=0

4.  x2-10x-13=0

View Answer  
4
Correct Answer :

x2-10x+13=0


Explanation :
No Explanation available for this question

If 4 cos2x Sinx- 2 Sin2x=3 Sin x, then x=

1.  nπ+(-1)nπ/10

2.   nπ-(-1)nπ/10

3.  2nπ± (-1)nπ/10

4.   nπ+π/10

View Answer  
4
Correct Answer :

nπ+(-1)nπ/10


Explanation :
No Explanation available for this question

The equation whose roots are 3+2i,3-2i is

1.  x2-8x+15=0

2.  15x2-34x+15=0

3.  x2-6x+13=0

4.  x2+1=0

View Answer  
4
Correct Answer :

x2-6x+13=0


Explanation :
No Explanation available for this question

If α and β are the roots of x2+5x-4=0,then the equation whose roots are 1-α/1+α and 1-β/1+β is

1.  2x2+x+3=0

2.  2x2-x+3=0

3.  2x2+x-3=0

4.  2x2-x-3=0

View Answer  
4
Correct Answer :

2x2+x+3=0


Explanation :
No Explanation available for this question

If α,β are the roots of 2x2+x+3=0,then the equation whose roots are α+2/3,β+2/3 is

1.  9x2+3x+10=0

2.  9x2-3x-10=0

3.  9x2+3x-10=0

4.  9x2-3x+10=0

View Answer  
4
Correct Answer :

9x2+3x-10=0


Explanation :
No Explanation available for this question

If r Sin θ=√3, r+4Sin θ=2(√3+1), 0≤ θ ≤2π, then θ=

1.  π/4,π/3,π/6,2π/3

2.  π/6, π/3, 5π/6, 2π/3

3.   π/2, π/3, π/5, 5π/3

4.   none of these

View Answer  
4
Correct Answer :

π/6, π/3, 5π/6, 2π/3


Explanation :
No Explanation available for this question

If α,β are the roots of x2-ax+b=0,then the equation whose roots are α+β/α,α+β/β is

1.  bx2+a2x+a2=0

2.  bx2-a2x+a2=0

3.  b2x2-a2x+a2=0

4.  ax2+b2x+b2=0

View Answer  
4
Correct Answer :

bx2-a2x+a2=0


Explanation :
No Explanation available for this question

If α is a root of 25 cos2 θ+5 cos θ-12=0, π/2

1.  24/25

2.  24/25

3.  13/18

4.  -13/18

View Answer  
4
Correct Answer :

24/25


Explanation :
No Explanation available for this question
Previous Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python