# 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

4

(b2-2ac)/c2

Explanation :
No Explanation available for this question

# Solution of sin 2θ=is

1.

2.

3.

4.

4

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

4

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

4

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

4

3abc-b3/c3

Explanation :
No Explanation available for this question

# The solution set of 4sin θ cos θ=1 is

1.

2.

3.

4.

4

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

4

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

4

c2/a2

Explanation :
No Explanation available for this question

# The solution set of sin 3θ=is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

1.  c2/a2

2.  c3/a3

3.  3abc-b3/c3

4.  b2-2ac/ac

4