If α,β are the roots of ax2+bx+c=0 then 1/α2+1/β2=

1.  (b2-2ac)/a2

2.  -b/c

3.  (b2-2ac)/c2

4.  (b2-2ac)/ac

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4
Correct Answer :

(b2-2ac)/c2


Explanation :
No Explanation available for this question

Solution of sin 2θ=is

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

If α,β are the roots of ax2+bx+c=0 then α3+β3=

1.  3abc-b3/a3

2.  -b/c

3.  (b2-2ac)/c2

4.  (b2-2ac)/ac

View Answer  
4
Correct Answer :

3abc-b3/a3


Explanation :
No Explanation available for this question

If α,β are the roots of ax2+bx+c=0 then α2/β+β2/α=

1.  3abc-b3/a3

2.  3abc-b3/a2c

3.  b2-2ac/c2

4.  b2-2ac/ac

View Answer  
4
Correct Answer :

3abc-b3/a2c


Explanation :
No Explanation available for this question

If α,β are the roots of ax2+bx+c=0 then 1/α3+1/β3=

1.  3abc-b3/a3

2.  3abc-b3/a2c

3.  3abc-b3/c3

4.  b2-2ac/ac

View Answer  
4
Correct Answer :

3abc-b3/c3


Explanation :
No Explanation available for this question

The solution set of 4sin θ cos θ=1 is

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

If α,β are the roots of ax2+bx+c=0 then α5β8+α8β5=

1.  c5(3abc-b3)/a8

2.  c3(3abc-b3)/a5

3.  a2(3abc-b3)/c5

4.  a3(3abc-b3)/c5

View Answer  
4
Correct Answer :

c5(3abc-b3)/a8


Explanation :
No Explanation available for this question

If α,β are the roots of ax2+bx+c=0 then α2+β2/α-2+β-2=

1.  c2/a2  

2.  3abc-b3/a2c  

3.  3abc-b3/c3

4.  b2-2ac/ac

View Answer  
4
Correct Answer :

c2/a2

 


Explanation :
No Explanation available for this question

The solution set of sin 3θ=is

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

If α,β are the roots of ax2+bx+c=0 then α3+β3/α-3+β-3=

1.  c2/a2

2.  c3/a3

3.  3abc-b3/c3  

4.  b2-2ac/ac

View Answer  
4
Correct Answer :

c3/a3


Explanation :
No Explanation available for this question
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