# If

1.  2u

2.  3u

3.  u

4.  0

4

u

Explanation :
No Explanation available for this question

# If

1.  2u

2.  3u

3.  u

4.  0

4

0

Explanation :
No Explanation available for this question

# If

1.  2u

2.  3u

3.  u

4.   0

4

u

Explanation :
No Explanation available for this question

# If u=sin-1(√x+√y),then xux+yuy=

1.  ½ sec u

2.  ½ sin 3u

3.  ½  tan u

4.  None

4

½  tan u

Explanation :
No Explanation available for this question

# A: Length of projection of 2i-3j+k along 4i-4j+7k is 3 R: Length of projection of b on a is a.b/|b|

1.  Both A and R are true and R is the correct explanation of A

2.  Both A and R are true but R is not correct explanation of A

3.  A is true R false

4.  A is false but R is true

4

Both A and R are true and R is the correct explanation of A

Explanation :
No Explanation available for this question

# If

1.  ½ sin 2u

2.  ½ sin 3u

3.  1/3 sin 2u

4.   -½ sin 2u

4

½ sin 2u

Explanation :
No Explanation available for this question

# If

1.  2 cot2 u

2.  3 cot u

3.  2 tan u

4.  2 cot u

4

2 cot u

Explanation :
No Explanation available for this question

# If

1.  2

2.  u

3.  2u

4.  3u

4

2

Explanation :
No Explanation available for this question

# If

1.  -1

2.  1

3.  2

4.  0

4

0

Explanation :
No Explanation available for this question

1.  0

2.  u

3.  2u

4.  (1/2)u

4