# If f(x)=x2 for x

1.  (-∞, 0) U (0, 5) U (5, ∞)

2.  (-∞, 0) U (0, 1) U (1, ∞)

3.  (-∞, 0) U (0, ∞)

4.  (-∞, 1) U (1, ∞)

4
Correct Answer :

(-∞, 0) U (0, 1) U (1, ∞)

Explanation :
No Explanation available for this question

# If  then f(x) is defined when x lies in

1.  [-2, 2]

2.  [-5, 5]

3.   [-1, 4]

4.  [-1, 5]

4
Correct Answer :

[-1, 4]

Explanation :
No Explanation available for this question

# The domain of √2+x + √2-x/x is

1.  [-2, 2]

2.  (-2, 2)

3.  [-2, 0) U (0, 2]

4.   R-{0}

4
Correct Answer :

[-2, 0) U (0, 2]

Explanation :
No Explanation available for this question

# The domain of √3+x + √3-x/x is

1.  [-3, 3]

2.  (-3, 0) U (0, 3)

3.   [-3, 0) U (0, 3]

4.  R

4
Correct Answer :

[-3, 0) U (0, 3]

Explanation :
No Explanation available for this question

# Domain of log(x-2)/√3-x is

1.  (2, 3)

2.  [2, 3)

3.  (2, ∞)

4.  (-∞, 3)

4
Correct Answer :

(2, 3)

Explanation :
No Explanation available for this question

# If  f(x)=1og(cos x),  then  domain f.=

1.  {x: 2nπ-π/2 < x< 2nπ+ π/2, n Z}

2.  {x: 2nπ< x

3.  {x: x? (-∞, ∞)}

4.  none

4
Correct Answer :

{x: 2nπ-π/2 < x< 2nπ+ π/2, n Z}

Explanation :
No Explanation available for this question

# In ΔABC, if a= 30, b=24, c=18 then the ratio

1.  1:2:3

2.  2:1:3

3.  3:2:1

4.  1:3:2

4
Correct Answer :

1:2:3

Explanation :
No Explanation available for this question

# If  f(x)=1og(sin x),  then  domain f.=

1.  {x: 2nπ-π/2 < x< 2nπ+ π/2, n Z}

2.  {x: 2nπ< x< 2nπ+ π, n ? Z}

3.  {x:  2nπ< x< 2nπ+3π/2, n ? Z}

4.  R

4
Correct Answer :

{x: 2nπ< x< 2nπ+ π, n ? Z}

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4
Correct Answer :

Explanation :
No Explanation available for this question

# The domain of Sin-1 log2 (x2/2) is

1.  [-2, -1]

2.   [1, 2]

3.  [-2, -1] U [1, 2]

4.  (0, ∞)

4
Correct Answer :

[-2, -1] U [1, 2]

Explanation :
No Explanation available for this question

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