# The vertices of a triangle are A(0,0),B(1,0) and C(0,2).Then point of intersection of bisectors of internal angles is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# If f from R into R is defined by f(x)=x2, then f-1{16}=

1.  {4}

2.  {-4}

3.  {±4}

4.  does not exist

4

{±4}

Explanation :
No Explanation available for this question

# If f from R into R is defined by f(x)=x3 then f-1{-2, 0, 7}=

1.  {-1, 1, 1}

2.  {0,1,2}

3.  {±1, ±2}

4.  {0, ±2}

4

{-1, 1, 1}

Explanation :
No Explanation available for this question

1.   0

2.  ∞

3.  1

4.  a

4

1

Explanation :
No Explanation available for this question

# If f:R→R is defined by f(x)=x3+x2-1. Then  the  inverse image set of {0} is

1.  {0}

2.  {1, 0, -1}

3.  {0, -1}

4.  {1, -1}

4

{1, -1}

Explanation :
No Explanation available for this question

1.  0

2.  1

3.  2

4.  1/2

4

0

Explanation :
No Explanation available for this question

# In ΔABC , ∏ ( ) is always greater than

1.  9

2.  3

3.  27

4.  none

4

27

Explanation :
No Explanation available for this question

# Let f be an injective function with domain{x, y ,z} and range {1,2,3}such that exactly one of the  following statements is correct and the remaining are false.

1.  x

2.  y

3.  z

4.  none

4

y

Explanation :
No Explanation available for this question

# f={(1, 4),  (2,-2), (3,10)} then f/2=

1.  {(1,2), (2,-1), (3, 5)}

2.  {(2,4),(4,-2), (6,  10)}

3.  {(1/2, 4), (1,-2), (3/2,10)}

4.  {(1/2, 2),(1,-1),(3/2,5)}

4

{(1,2), (2,-1), (3, 5)}

Explanation :
No Explanation available for this question

1.  1

2.  3

3.  √3

4.  3√3

4