# (tan 80o - tan 10o )  /  tan 70o  =

1.  0

2.  1

3.  2

4.  3

4

3

Explanation :
No Explanation available for this question

# If Cos (A-B) =  3/5 and tan A tan B  = 2 then which one of the following is true

1.  sin (A+B) = 1/5

2.  sin (A+B) = -1/5

3.  cos (A-B) = 1/5

4.  cos (A+B) = -1/5

4

cos (A+B) = -1/5

Explanation :
No Explanation available for this question

1.  1/4

2.  log3(3/4)

3.  loge(3/2)

4.  loge(2/3)

4

log<sub>e</sub>(3/2)

Explanation :
No Explanation available for this question

# If α,β,γ are the roots of x3 - 2x2 + 3x - 4 = 0, then the value of α2β2 + β

1.  -7

2.  -5

3.  -3

4.  0

4

-7

Explanation :
No Explanation available for this question

# If α and β are the roots of the equation ax2 + bx + c = 0 and, if px2 + qx + r = 0 has roots (1-α)/ α  and (1-β) / β,

1.  a+2b

2.  a+b+c

3.  ab+bc+ca

4.  abc

4

a+b+c

Explanation :
No Explanation available for this question

# If is a singular matrix, then x is equal to

1.  0

2.  1

3.  -3

4.  3

4

-3

Explanation :
No Explanation available for this question

# The locus of the    point z = x + iy  satisfying | (z-2i) / (z+2i) |  =  1 is

1.  X-axis

2.  Y-axis

3.  y = 2

4.  x  =  2

4

X-axis

Explanation :
No Explanation available for this question

# A value of n such that (√3 / 2    +   i / 2  )n  =  1 is

1.  12

2.  3

3.  2

4.  1

4

12

Explanation :
No Explanation available for this question

# If θ lies in the first quadrant and 5 tan θ = 4 then (5 sin θ  -  3 cos θ) / (sin θ + 2 cos θ) is equal to

1.  5/14

2.  3/14

3.  1/14

4.  0

4

5/14

Explanation :
No Explanation available for this question

1.  0

2.  2

3.  1

4.  -1

4